Dr Fabrício Campos
@camposvet.bsky.social
With a degree in Veterinary Medicine from UFPel, a Master's in Microbiology at PPGMAA/UFRGS, and a Ph.D. in Veterinary Science at UFRGS, I am a professor at PPGBIOTEC/UFT and serve as Coordinator at PPGMAA/UFRGS. For more information: www.labinftec.com.br
Post 77 — H5N1: when animal health starts to weigh on GDP
H5N1 infection in dairy cattle has moved beyond animal health and is now producing measurable economic effects. Using the GTAP economic model, Morel et al. simulated short- to medium-term impacts under different outbreak scenarios. 1/8
H5N1 infection in dairy cattle has moved beyond animal health and is now producing measurable economic effects. Using the GTAP economic model, Morel et al. simulated short- to medium-term impacts under different outbreak scenarios. 1/8
February 2, 2026 at 3:09 PM
Post 77 — H5N1: when animal health starts to weigh on GDP
H5N1 infection in dairy cattle has moved beyond animal health and is now producing measurable economic effects. Using the GTAP economic model, Morel et al. simulated short- to medium-term impacts under different outbreak scenarios. 1/8
H5N1 infection in dairy cattle has moved beyond animal health and is now producing measurable economic effects. Using the GTAP economic model, Morel et al. simulated short- to medium-term impacts under different outbreak scenarios. 1/8
Post 76 — H5N1/H5N5: co-circulation, ecology, and emerging systemic risks
Recent studies show that the avian influenza panzootic now operates as a complex ecological system, with viral co-circulation, multiple transmission routes, and expanding interfaces with mammals and animal production. 1/10
Recent studies show that the avian influenza panzootic now operates as a complex ecological system, with viral co-circulation, multiple transmission routes, and expanding interfaces with mammals and animal production. 1/10
January 29, 2026 at 5:01 PM
Post 76 — H5N1/H5N5: co-circulation, ecology, and emerging systemic risks
Recent studies show that the avian influenza panzootic now operates as a complex ecological system, with viral co-circulation, multiple transmission routes, and expanding interfaces with mammals and animal production. 1/10
Recent studies show that the avian influenza panzootic now operates as a complex ecological system, with viral co-circulation, multiple transmission routes, and expanding interfaces with mammals and animal production. 1/10
Post 75 — H5N1: where clinical disease, viral adaptation, and immunity intersect
Severe human H5N1 cases remain rare, but they reveal the complexity of viral adaptation in mammals and the current limits of transmission. 1/13
Severe human H5N1 cases remain rare, but they reveal the complexity of viral adaptation in mammals and the current limits of transmission. 1/13
January 26, 2026 at 1:59 PM
Post 75 — H5N1: where clinical disease, viral adaptation, and immunity intersect
Severe human H5N1 cases remain rare, but they reveal the complexity of viral adaptation in mammals and the current limits of transmission. 1/13
Severe human H5N1 cases remain rare, but they reveal the complexity of viral adaptation in mammals and the current limits of transmission. 1/13
Post 74 — H5N1: high pathogenicity, silent adaptation, and the current limits of transmission
Recent studies show that the H5N1 panzootic is not just animal mortality, but an ongoing process of viral adaptation with direct implications for human health and pandemic risk. 1/10
Recent studies show that the H5N1 panzootic is not just animal mortality, but an ongoing process of viral adaptation with direct implications for human health and pandemic risk. 1/10
January 22, 2026 at 3:18 PM
Post 74 — H5N1: high pathogenicity, silent adaptation, and the current limits of transmission
Recent studies show that the H5N1 panzootic is not just animal mortality, but an ongoing process of viral adaptation with direct implications for human health and pandemic risk. 1/10
Recent studies show that the H5N1 panzootic is not just animal mortality, but an ongoing process of viral adaptation with direct implications for human health and pandemic risk. 1/10
Post 73 — H5N1: when viral adaptation meets the market
The trajectory of H5N1 from its detection in poultry in China in 1996 to the current global panzootic is not only a story of mutations and spillover, but also of increasingly visible ecological, health, and economic impacts. 1/11
The trajectory of H5N1 from its detection in poultry in China in 1996 to the current global panzootic is not only a story of mutations and spillover, but also of increasingly visible ecological, health, and economic impacts. 1/11
January 19, 2026 at 2:20 PM
Post 73 — H5N1: when viral adaptation meets the market
The trajectory of H5N1 from its detection in poultry in China in 1996 to the current global panzootic is not only a story of mutations and spillover, but also of increasingly visible ecological, health, and economic impacts. 1/11
The trajectory of H5N1 from its detection in poultry in China in 1996 to the current global panzootic is not only a story of mutations and spillover, but also of increasingly visible ecological, health, and economic impacts. 1/11
Post 72 — H5N1: transmission window, tissue tropism, and the limits of natural immunity
The consolidation of H5N1 in dairy cattle marks a conceptual shift. This is no longer an episodic spillover, but a new epidemiological system sustained by viral kinetics, tissue tropism, and partial immunity1/10
The consolidation of H5N1 in dairy cattle marks a conceptual shift. This is no longer an episodic spillover, but a new epidemiological system sustained by viral kinetics, tissue tropism, and partial immunity1/10
January 16, 2026 at 2:08 PM
Post 72 — H5N1: transmission window, tissue tropism, and the limits of natural immunity
The consolidation of H5N1 in dairy cattle marks a conceptual shift. This is no longer an episodic spillover, but a new epidemiological system sustained by viral kinetics, tissue tropism, and partial immunity1/10
The consolidation of H5N1 in dairy cattle marks a conceptual shift. This is no longer an episodic spillover, but a new epidemiological system sustained by viral kinetics, tissue tropism, and partial immunity1/10
📢 New article published in Microbiology Research (MDPI)!
Our study shows that carbapenem resistance genes (especially blaOXA-48-like) persist in urban water systems even when treated water meets bacteriological standards.
Our study shows that carbapenem resistance genes (especially blaOXA-48-like) persist in urban water systems even when treated water meets bacteriological standards.
January 15, 2026 at 4:19 PM
📢 New article published in Microbiology Research (MDPI)!
Our study shows that carbapenem resistance genes (especially blaOXA-48-like) persist in urban water systems even when treated water meets bacteriological standards.
Our study shows that carbapenem resistance genes (especially blaOXA-48-like) persist in urban water systems even when treated water meets bacteriological standards.
Post 71 — H5N1: wild birds are not just vectors, they are the system
The current H5N1 panzootic can no longer be explained as a series of isolated outbreaks. Recent evidence reveals an integrated ecological system in which wild birds shape viral persistence, evolution, and global spread. 1/11
The current H5N1 panzootic can no longer be explained as a series of isolated outbreaks. Recent evidence reveals an integrated ecological system in which wild birds shape viral persistence, evolution, and global spread. 1/11
January 12, 2026 at 4:22 PM
Post 71 — H5N1: wild birds are not just vectors, they are the system
The current H5N1 panzootic can no longer be explained as a series of isolated outbreaks. Recent evidence reveals an integrated ecological system in which wild birds shape viral persistence, evolution, and global spread. 1/11
The current H5N1 panzootic can no longer be explained as a series of isolated outbreaks. Recent evidence reveals an integrated ecological system in which wild birds shape viral persistence, evolution, and global spread. 1/11
🎉 PPGMAA is now CAPES Score 6! 🎉
We are proud to announce that the Graduate Program in Agricultural and Environmental Microbiology (PPGMAA/UFRGS) earned Score 6 in the 2025 CAPES Evaluation — in a scale from 3 to 7, where scores 6 and 7 represent programs of excellence.
We are proud to announce that the Graduate Program in Agricultural and Environmental Microbiology (PPGMAA/UFRGS) earned Score 6 in the 2025 CAPES Evaluation — in a scale from 3 to 7, where scores 6 and 7 represent programs of excellence.
January 12, 2026 at 2:53 PM
🎉 PPGMAA is now CAPES Score 6! 🎉
We are proud to announce that the Graduate Program in Agricultural and Environmental Microbiology (PPGMAA/UFRGS) earned Score 6 in the 2025 CAPES Evaluation — in a scale from 3 to 7, where scores 6 and 7 represent programs of excellence.
We are proud to announce that the Graduate Program in Agricultural and Environmental Microbiology (PPGMAA/UFRGS) earned Score 6 in the 2025 CAPES Evaluation — in a scale from 3 to 7, where scores 6 and 7 represent programs of excellence.
Post 70 — H5N1: Antarctica Is No Longer a Refuge
Three recent studies show that the H5N1 panzootic is advancing even into the most extreme environments on Earth, while current surveillance remains insufficient to keep pace with this rapidly evolving threat. 1/10
Three recent studies show that the H5N1 panzootic is advancing even into the most extreme environments on Earth, while current surveillance remains insufficient to keep pace with this rapidly evolving threat. 1/10
January 8, 2026 at 3:06 PM
Post 70 — H5N1: Antarctica Is No Longer a Refuge
Three recent studies show that the H5N1 panzootic is advancing even into the most extreme environments on Earth, while current surveillance remains insufficient to keep pace with this rapidly evolving threat. 1/10
Three recent studies show that the H5N1 panzootic is advancing even into the most extreme environments on Earth, while current surveillance remains insufficient to keep pace with this rapidly evolving threat. 1/10
Post 69 — H5N1: surveillance in a fragmented world
Wars, regional conflicts, and geopolitical tensions push science, public health surveillance, and climate action to the background. But viruses do not observe ceasefires. The H5N1 panzootic advances precisely in this fragmented world. 1/11
Wars, regional conflicts, and geopolitical tensions push science, public health surveillance, and climate action to the background. But viruses do not observe ceasefires. The H5N1 panzootic advances precisely in this fragmented world. 1/11
January 5, 2026 at 3:01 PM
Post 69 — H5N1: surveillance in a fragmented world
Wars, regional conflicts, and geopolitical tensions push science, public health surveillance, and climate action to the background. But viruses do not observe ceasefires. The H5N1 panzootic advances precisely in this fragmented world. 1/11
Wars, regional conflicts, and geopolitical tensions push science, public health surveillance, and climate action to the background. But viruses do not observe ceasefires. The H5N1 panzootic advances precisely in this fragmented world. 1/11
Post 68 — H5N1: when spillover becomes an evolutionary laboratory
Four recent studies show that the H5N1 panzootic is not only mass mortality, but an active process of viral adaptation, host-range expansion, and systemic fragility in response capacity. 1/13
Four recent studies show that the H5N1 panzootic is not only mass mortality, but an active process of viral adaptation, host-range expansion, and systemic fragility in response capacity. 1/13
January 2, 2026 at 1:08 PM
Post 68 — H5N1: when spillover becomes an evolutionary laboratory
Four recent studies show that the H5N1 panzootic is not only mass mortality, but an active process of viral adaptation, host-range expansion, and systemic fragility in response capacity. 1/13
Four recent studies show that the H5N1 panzootic is not only mass mortality, but an active process of viral adaptation, host-range expansion, and systemic fragility in response capacity. 1/13
Starting 2026 with another publication — already the 3rd paper of a very promising year!
Our new study reports a high seroprevalence of toxoplasmosis (62.1%) among Quilombola communities in the Brazilian Legal Amazon, driven by environmental and socioeconomic risk factors.
Our new study reports a high seroprevalence of toxoplasmosis (62.1%) among Quilombola communities in the Brazilian Legal Amazon, driven by environmental and socioeconomic risk factors.
January 1, 2026 at 12:38 PM
Starting 2026 with another publication — already the 3rd paper of a very promising year!
Our new study reports a high seroprevalence of toxoplasmosis (62.1%) among Quilombola communities in the Brazilian Legal Amazon, driven by environmental and socioeconomic risk factors.
Our new study reports a high seroprevalence of toxoplasmosis (62.1%) among Quilombola communities in the Brazilian Legal Amazon, driven by environmental and socioeconomic risk factors.
The year only ends when it ends — and it ends on a high note!
Our new study reports a 45.4% prevalence of congenital toxoplasmosis among 1,142 newborns assisted by the Brazilian public health system in the eastern Amazon (2017–2024).
Key risk factors:
• Low maternal education
Our new study reports a 45.4% prevalence of congenital toxoplasmosis among 1,142 newborns assisted by the Brazilian public health system in the eastern Amazon (2017–2024).
Key risk factors:
• Low maternal education
December 31, 2025 at 8:03 PM
The year only ends when it ends — and it ends on a high note!
Our new study reports a 45.4% prevalence of congenital toxoplasmosis among 1,142 newborns assisted by the Brazilian public health system in the eastern Amazon (2017–2024).
Key risk factors:
• Low maternal education
Our new study reports a 45.4% prevalence of congenital toxoplasmosis among 1,142 newborns assisted by the Brazilian public health system in the eastern Amazon (2017–2024).
Key risk factors:
• Low maternal education
Post 67 — H5N1: when transmission is slow, but risk is high
Four recent studies show that the danger of H5N1 is not limited to explosive outbreaks. Silent infections, delayed detection, and operational complexity can sustain high risk even when transmission appears slow. 1/13
Four recent studies show that the danger of H5N1 is not limited to explosive outbreaks. Silent infections, delayed detection, and operational complexity can sustain high risk even when transmission appears slow. 1/13
December 29, 2025 at 3:27 PM
Post 67 — H5N1: when transmission is slow, but risk is high
Four recent studies show that the danger of H5N1 is not limited to explosive outbreaks. Silent infections, delayed detection, and operational complexity can sustain high risk even when transmission appears slow. 1/13
Four recent studies show that the danger of H5N1 is not limited to explosive outbreaks. Silent infections, delayed detection, and operational complexity can sustain high risk even when transmission appears slow. 1/13
LabInfTec 2025 Highlights
16 articles | 301 citations
66 posts on H5N1 (+100k views)
5 funded projects | R$ 500k in research funding
New equipment | human resource training
Chairing the XV SBMA
Science with impact 🧬📊
16 articles | 301 citations
66 posts on H5N1 (+100k views)
5 funded projects | R$ 500k in research funding
New equipment | human resource training
Chairing the XV SBMA
Science with impact 🧬📊
December 26, 2025 at 3:56 PM
LabInfTec 2025 Highlights
16 articles | 301 citations
66 posts on H5N1 (+100k views)
5 funded projects | R$ 500k in research funding
New equipment | human resource training
Chairing the XV SBMA
Science with impact 🧬📊
16 articles | 301 citations
66 posts on H5N1 (+100k views)
5 funded projects | R$ 500k in research funding
New equipment | human resource training
Chairing the XV SBMA
Science with impact 🧬📊
Closing the year on a high note!
New paper published in collaboration with researchers from HCPA
Cellular Immunological Memory T Cells and IL15RA Gene Polymorphism in COVID-19 Vaccinated Individuals from Southern Brazil
New paper published in collaboration with researchers from HCPA
Cellular Immunological Memory T Cells and IL15RA Gene Polymorphism in COVID-19 Vaccinated Individuals from Southern Brazil
December 26, 2025 at 11:44 AM
Closing the year on a high note!
New paper published in collaboration with researchers from HCPA
Cellular Immunological Memory T Cells and IL15RA Gene Polymorphism in COVID-19 Vaccinated Individuals from Southern Brazil
New paper published in collaboration with researchers from HCPA
Cellular Immunological Memory T Cells and IL15RA Gene Polymorphism in COVID-19 Vaccinated Individuals from Southern Brazil
Post 66 — H5N1: molecular adaptation and field surveillance
New studies show H5N1 is not only spreading geographically but advancing functionally, exploring new hosts, accumulating adaptive mutations, and exposing weaknesses in surveillance systems. 1/13
New studies show H5N1 is not only spreading geographically but advancing functionally, exploring new hosts, accumulating adaptive mutations, and exposing weaknesses in surveillance systems. 1/13
December 25, 2025 at 3:19 PM
Post 66 — H5N1: molecular adaptation and field surveillance
New studies show H5N1 is not only spreading geographically but advancing functionally, exploring new hosts, accumulating adaptive mutations, and exposing weaknesses in surveillance systems. 1/13
New studies show H5N1 is not only spreading geographically but advancing functionally, exploring new hosts, accumulating adaptive mutations, and exposing weaknesses in surveillance systems. 1/13
Post 65 — H5N1: from functional adaptation to a pandemic warning
Recent studies show that H5N1 clade 2.3.4.4b is not only spreading geographically, but advancing functionally toward mammals, including humans, raising new concerns about pandemic risk. 1/13
Recent studies show that H5N1 clade 2.3.4.4b is not only spreading geographically, but advancing functionally toward mammals, including humans, raising new concerns about pandemic risk. 1/13
December 22, 2025 at 8:16 PM
Post 65 — H5N1: from functional adaptation to a pandemic warning
Recent studies show that H5N1 clade 2.3.4.4b is not only spreading geographically, but advancing functionally toward mammals, including humans, raising new concerns about pandemic risk. 1/13
Recent studies show that H5N1 clade 2.3.4.4b is not only spreading geographically, but advancing functionally toward mammals, including humans, raising new concerns about pandemic risk. 1/13
Post 64 — From the domestic environment to silent circulation: new warning signals from H5N1
Recent studies expand the risk landscape of H5N1, now involving companion animals, possible human infections missed by traditional surveillance, and reassortant variants emerging in South America. 1/12
Recent studies expand the risk landscape of H5N1, now involving companion animals, possible human infections missed by traditional surveillance, and reassortant variants emerging in South America. 1/12
December 18, 2025 at 3:47 PM
Post 64 — From the domestic environment to silent circulation: new warning signals from H5N1
Recent studies expand the risk landscape of H5N1, now involving companion animals, possible human infections missed by traditional surveillance, and reassortant variants emerging in South America. 1/12
Recent studies expand the risk landscape of H5N1, now involving companion animals, possible human infections missed by traditional surveillance, and reassortant variants emerging in South America. 1/12
Post 63 — H5N1: regional surveillance, respiratory adaptation, and environmental risk factors
News studies deepen our understanding of how H5N1 establishes, evolves, and spreads across the Americas, exposing critical weaknesses in surveillance systems, animal production, and biosecurity. 1/9
News studies deepen our understanding of how H5N1 establishes, evolves, and spreads across the Americas, exposing critical weaknesses in surveillance systems, animal production, and biosecurity. 1/9
December 15, 2025 at 4:57 PM
Post 63 — H5N1: regional surveillance, respiratory adaptation, and environmental risk factors
News studies deepen our understanding of how H5N1 establishes, evolves, and spreads across the Americas, exposing critical weaknesses in surveillance systems, animal production, and biosecurity. 1/9
News studies deepen our understanding of how H5N1 establishes, evolves, and spreads across the Americas, exposing critical weaknesses in surveillance systems, animal production, and biosecurity. 1/9
Post 62 — H5N1: Risk to Cattle, Genetic Expansion, and Cross-Immunity
New analyses show that the H5N1 threat keeps evolving, reshaping our understanding of risks to livestock and the virus’s adaptive potential. 1/12
New analyses show that the H5N1 threat keeps evolving, reshaping our understanding of risks to livestock and the virus’s adaptive potential. 1/12
December 11, 2025 at 4:41 PM
Post 62 — H5N1: Risk to Cattle, Genetic Expansion, and Cross-Immunity
New analyses show that the H5N1 threat keeps evolving, reshaping our understanding of risks to livestock and the virus’s adaptive potential. 1/12
New analyses show that the H5N1 threat keeps evolving, reshaping our understanding of risks to livestock and the virus’s adaptive potential. 1/12
Post 61 — H5N1: unprecedented stability in milk, cross-immunity, and expansion of the panzootic
New studies show that H5N1 keeps surprising by its ability to adapt, increasing risks for humans, livestock, pets and wildlife. 1/10
New studies show that H5N1 keeps surprising by its ability to adapt, increasing risks for humans, livestock, pets and wildlife. 1/10
December 8, 2025 at 2:45 PM
Post 61 — H5N1: unprecedented stability in milk, cross-immunity, and expansion of the panzootic
New studies show that H5N1 keeps surprising by its ability to adapt, increasing risks for humans, livestock, pets and wildlife. 1/10
New studies show that H5N1 keeps surprising by its ability to adapt, increasing risks for humans, livestock, pets and wildlife. 1/10
Post 60 — The antigenic evolution of H5N1 and the silent advance of the panzootic.
Four new studies published this week reveal how H5N1 continues to evolve and infect multiple hosts, further expanding the ongoing panzootic. 1/10
Four new studies published this week reveal how H5N1 continues to evolve and infect multiple hosts, further expanding the ongoing panzootic. 1/10
December 4, 2025 at 1:56 PM
Post 60 — The antigenic evolution of H5N1 and the silent advance of the panzootic.
Four new studies published this week reveal how H5N1 continues to evolve and infect multiple hosts, further expanding the ongoing panzootic. 1/10
Four new studies published this week reveal how H5N1 continues to evolve and infect multiple hosts, further expanding the ongoing panzootic. 1/10
Post 59 — H5N1 Overcomes Our Most Primitive Defense Mechanism — Fever
New studies have deepened our understanding of H5N1, showing how unusual vectors, rapid regional spread, and rising fever tolerance help explain its shift from an avian virus to a global threat. 1/8
New studies have deepened our understanding of H5N1, showing how unusual vectors, rapid regional spread, and rising fever tolerance help explain its shift from an avian virus to a global threat. 1/8
December 1, 2025 at 1:57 PM
Post 59 — H5N1 Overcomes Our Most Primitive Defense Mechanism — Fever
New studies have deepened our understanding of H5N1, showing how unusual vectors, rapid regional spread, and rising fever tolerance help explain its shift from an avian virus to a global threat. 1/8
New studies have deepened our understanding of H5N1, showing how unusual vectors, rapid regional spread, and rising fever tolerance help explain its shift from an avian virus to a global threat. 1/8