Kenny Lin, MD, MPH
@kennylinafp.bsky.social
Family doctor, Deputy Editor of American Family Physician
Associate Director, Lancaster General @pennmedicine.bsky.social Family Medicine Residency
Adjunct Professor, Georgetown Univ.
Husband, father of 4
Opinions my own.
https://commonsensemd.substack.com
Associate Director, Lancaster General @pennmedicine.bsky.social Family Medicine Residency
Adjunct Professor, Georgetown Univ.
Husband, father of 4
Opinions my own.
https://commonsensemd.substack.com
Pinned
Shared decision making for colorectal cancer screening tests
commonsensemd.blogspot.com
Shared decision making for colorectal cancer screening tests: Most of the major cancer types have a single recommended screening test. For breast cancer, mammography. For cervical cancer, cytology and/or human papillomavirus testing. For lung cancer, ... commonsensemd.blogspot.com/2025/12/shar...
Shared decision making for colorectal cancer screening tests: Most of the major cancer types have a single recommended screening test. For breast cancer, mammography. For cervical cancer, cytology and/or human papillomavirus testing. For lung cancer, ... commonsensemd.blogspot.com/2025/12/shar...
Shared decision making for colorectal cancer screening tests
commonsensemd.blogspot.com
December 6, 2025 at 10:09 PM
Shared decision making for colorectal cancer screening tests: Most of the major cancer types have a single recommended screening test. For breast cancer, mammography. For cervical cancer, cytology and/or human papillomavirus testing. For lung cancer, ... commonsensemd.blogspot.com/2025/12/shar...
I Left the CDC 100 Days Ago. My Worst Fears About the Agency Are Coming True time.com/7338714/dr-d... via @drdebhoury.bsky.social
I Left the CDC 100 Days Ago. My Worst Fears About the Agency Are Coming True
"Things have not improved," writes Dr. Debra Houry. "They have worsened. And Congress has still failed to act."
time.com
December 6, 2025 at 3:32 AM
I Left the CDC 100 Days Ago. My Worst Fears About the Agency Are Coming True time.com/7338714/dr-d... via @drdebhoury.bsky.social
Pseudoscience, Subterfuge, and Civil Resistance www.milbank.org/quarterly/ar... via @milbankfund.bsky.social
Pseudoscience, Subterfuge, and Civil Resistance | Milbank Quarterly
With each passing day, the United States federal government introduces yet another policy that threatens, rather than promotes, the health and wellbeing
www.milbank.org
December 5, 2025 at 7:25 PM
Pseudoscience, Subterfuge, and Civil Resistance www.milbank.org/quarterly/ar... via @milbankfund.bsky.social
Chinese American Civil War Soldiers in Pennsylvania emergingcivilwar.com/2025/12/05/c...
Chinese American Civil War Soldiers in Pennsylvania - Emerging Civil War
ECW welcomes guest author Kenny Lin. For nearly a quarter of a century, I have participated in Civil War battlefield tours from Gettysburg to Shiloh led by various historians and professional guides. ...
emergingcivilwar.com
December 5, 2025 at 6:41 PM
Chinese American Civil War Soldiers in Pennsylvania emergingcivilwar.com/2025/12/05/c...
Reposted by Kenny Lin, MD, MPH
Removing the universal recommendation for Hepatitis B vaccination could result in thousands of chronic HepB infections, leading to severe complications like liver cancer and death.
December 5, 2025 at 4:35 PM
Removing the universal recommendation for Hepatitis B vaccination could result in thousands of chronic HepB infections, leading to severe complications like liver cancer and death.
The Centers for Disease Control and Prevention should now be known as the Centers for Disease Promotion and Proliferation.
December 5, 2025 at 5:30 PM
The Centers for Disease Control and Prevention should now be known as the Centers for Disease Promotion and Proliferation.
I have taught medical students and residents for more than 2 decades. I have always referred them to the CDC and ACIP for evidence-based vaccine recommendations. No more. After today, I will tell them to ignore anything that comes out of this politicized and bent-on-destroying-public health ACIP.
December 5, 2025 at 4:57 PM
I have taught medical students and residents for more than 2 decades. I have always referred them to the CDC and ACIP for evidence-based vaccine recommendations. No more. After today, I will tell them to ignore anything that comes out of this politicized and bent-on-destroying-public health ACIP.
Reposted by Kenny Lin, MD, MPH
Timely: Did Americans vote in 2024 for major changes to vaccine policy? No.
Only 3% picked vaccines as a top 3 issue in the election.
Our just-published research letter in @jamahealthforum.com
jamanetwork.com/journals/jam...
Only 3% picked vaccines as a top 3 issue in the election.
Our just-published research letter in @jamahealthforum.com
jamanetwork.com/journals/jam...
December 5, 2025 at 4:32 PM
Timely: Did Americans vote in 2024 for major changes to vaccine policy? No.
Only 3% picked vaccines as a top 3 issue in the election.
Our just-published research letter in @jamahealthforum.com
jamanetwork.com/journals/jam...
Only 3% picked vaccines as a top 3 issue in the election.
Our just-published research letter in @jamahealthforum.com
jamanetwork.com/journals/jam...
Reposted by Kenny Lin, MD, MPH
A panel that advises #CDC on vaccine policy votes to do away with the recommendation all babies should be vaccinated against #hepatitisB at birth. "We are doing harm," said panel member Cody Meissner, who voted against this #ACIP recommendation. www.statnews.com/2025/12/05/c...
CDC panel recommends delaying birth dose of hepatitis B vaccine
The CDC's ACIP panel voted to recommend delaying the birth dose of the hepatitis B vaccine, ending a policy that has reined in the virus.
www.statnews.com
December 5, 2025 at 3:34 PM
A panel that advises #CDC on vaccine policy votes to do away with the recommendation all babies should be vaccinated against #hepatitisB at birth. "We are doing harm," said panel member Cody Meissner, who voted against this #ACIP recommendation. www.statnews.com/2025/12/05/c...
Reposted by Kenny Lin, MD, MPH
If anyone says we "don't have enough evidence" on HepB vaccine safety, that's just wrong.
Our review has found 42 HepB RCTs plus decades of post-licensure monitoring (VAERS, VSD, FDA BEST, big cohort studies).
The problem isn't lack of data, it's ignoring it.
docs.google.com/spreadsheets...
Our review has found 42 HepB RCTs plus decades of post-licensure monitoring (VAERS, VSD, FDA BEST, big cohort studies).
The problem isn't lack of data, it's ignoring it.
docs.google.com/spreadsheets...
December 4, 2025 at 10:00 PM
If anyone says we "don't have enough evidence" on HepB vaccine safety, that's just wrong.
Our review has found 42 HepB RCTs plus decades of post-licensure monitoring (VAERS, VSD, FDA BEST, big cohort studies).
The problem isn't lack of data, it's ignoring it.
docs.google.com/spreadsheets...
Our review has found 42 HepB RCTs plus decades of post-licensure monitoring (VAERS, VSD, FDA BEST, big cohort studies).
The problem isn't lack of data, it's ignoring it.
docs.google.com/spreadsheets...
Reposted by Kenny Lin, MD, MPH
🧵1/4
Why is hepatitis B vaccination in infancy so important?
Because HBV isn’t just “a disease adults get.” And babies are exposed to more blood in everyday life than most people realize.
Why is hepatitis B vaccination in infancy so important?
Because HBV isn’t just “a disease adults get.” And babies are exposed to more blood in everyday life than most people realize.
December 4, 2025 at 2:54 PM
🧵1/4
Why is hepatitis B vaccination in infancy so important?
Because HBV isn’t just “a disease adults get.” And babies are exposed to more blood in everyday life than most people realize.
Why is hepatitis B vaccination in infancy so important?
Because HBV isn’t just “a disease adults get.” And babies are exposed to more blood in everyday life than most people realize.
Great question! Why change a vaccination strategy for no benefit and near-certain harm?
Flor Munoz from Infectious Disease Society of America: How can this committee justify removing a well established, successful and safe prevention strategy that is going to protect the most vulnerable infants? #ACIP
December 5, 2025 at 12:00 AM
Great question! Why change a vaccination strategy for no benefit and near-certain harm?
Does AI communicate better than real doctors? If so, why is that? medicinesocialjustice.blogspot.com/2025/11/does... via @jfreemanfp.bsky.social
Does AI communicate better than real doctors? If so, why is that?
The New York Times recently ran an article titled “ Empathetic, Available, Cheap: When A.I. Offers What Doctors Don’t” , which should be ve...
medicinesocialjustice.blogspot.com
December 4, 2025 at 11:59 PM
Does AI communicate better than real doctors? If so, why is that? medicinesocialjustice.blogspot.com/2025/11/does... via @jfreemanfp.bsky.social
Reposted by Kenny Lin, MD, MPH
Praise for ACIP liaisons- medical societies that work in the area of medicine, infectious diseases, & nursing (AMA, ACOG, IDSA, etc). They are the ones bringing the flaws in thinking/science to the forefront. We must stand up for science when it is under attack, and these people get the assignment!
December 4, 2025 at 3:55 PM
Praise for ACIP liaisons- medical societies that work in the area of medicine, infectious diseases, & nursing (AMA, ACOG, IDSA, etc). They are the ones bringing the flaws in thinking/science to the forefront. We must stand up for science when it is under attack, and these people get the assignment!
Reposted by Kenny Lin, MD, MPH
Wow. Many of the medical societies liaisons left the ACIP meeting. They are telling us the ACIP meeting isn’t worth their time because it is not based in science and evidence. Says it all
December 4, 2025 at 7:23 PM
Wow. Many of the medical societies liaisons left the ACIP meeting. They are telling us the ACIP meeting isn’t worth their time because it is not based in science and evidence. Says it all
Reposted by Kenny Lin, MD, MPH
Malone is suggesting that there is not informed consent when the CDC has a universal vaccine recommendation. That is not true.
December 4, 2025 at 7:23 PM
Malone is suggesting that there is not informed consent when the CDC has a universal vaccine recommendation. That is not true.
Reposted by Kenny Lin, MD, MPH
My takeaway from ACIP so far: they have not presented any evidence of harm from the hepatitis B vaccine, yet there are immense benefits.
December 4, 2025 at 3:50 PM
My takeaway from ACIP so far: they have not presented any evidence of harm from the hepatitis B vaccine, yet there are immense benefits.
Reposted by Kenny Lin, MD, MPH
Vaccine makers just raised this issue I wrote about the other day. Changing Hep B recs could create problems with other vaccine uptake given our reliance on combo shots...
insights.citeline.com/pink-sheet/v...
insights.citeline.com/pink-sheet/v...
Ex-CDC Official: ACIP Hep B Decision Could Destabilize Access To Other Children’s Vaccines
Because combination vaccines remain in the US childhood vaccine schedule, ACIP's reconsideration of hepatitis B vaccine dose timing could impact uptake of other immunizations, Demetre Daskalakis told ...
insights.citeline.com
December 4, 2025 at 4:08 PM
Vaccine makers just raised this issue I wrote about the other day. Changing Hep B recs could create problems with other vaccine uptake given our reliance on combo shots...
insights.citeline.com/pink-sheet/v...
insights.citeline.com/pink-sheet/v...
Reposted by Kenny Lin, MD, MPH
A claim that the U.S. is an “outlier” for having a universal hepatitis B birth dose is false.
ACIP’s own September map shows many countries with universal birth-dose policies. We’d become an outlier only by rolling ours back.
www.cdc.gov/acip/downloa...
ACIP’s own September map shows many countries with universal birth-dose policies. We’d become an outlier only by rolling ours back.
www.cdc.gov/acip/downloa...
December 4, 2025 at 7:05 PM
A claim that the U.S. is an “outlier” for having a universal hepatitis B birth dose is false.
ACIP’s own September map shows many countries with universal birth-dose policies. We’d become an outlier only by rolling ours back.
www.cdc.gov/acip/downloa...
ACIP’s own September map shows many countries with universal birth-dose policies. We’d become an outlier only by rolling ours back.
www.cdc.gov/acip/downloa...
Universal Hepatitis B Vaccination at Birth—Risks of Revising the Recommendation jamanetwork.com/journals/jam... via @jama.com
Risks of Revising Newborn Hepatitis B Vaccination Recommendation
This Viewpoint from infectious disease experts cautions about the consequences of rescinding the ACIP policy to immunize all newborns against hepatitis B.
jamanetwork.com
December 3, 2025 at 8:47 PM
Universal Hepatitis B Vaccination at Birth—Risks of Revising the Recommendation jamanetwork.com/journals/jam... via @jama.com
CDC’s vaccine advisory panel faces a crisis of its own making www.statnews.com/2025/12/03/a... via @statnews.com
CDC’s vaccine advisory panel faces a crisis of its own making
“ACIP has drifted toward inflating speculative risks while downplaying well-established vaccine benefits,” write former CDC officials Demetre Daskalakis, Daniel Jernigan, and Debra Houry.
www.statnews.com
December 3, 2025 at 7:37 PM
CDC’s vaccine advisory panel faces a crisis of its own making www.statnews.com/2025/12/03/a... via @statnews.com
Cancer-Detecting Blood Tests Are on the Rise. Do They Work? www.nytimes.com/2025/12/02/w... Since we don't (yet) know the answer to this question, I do not recommend that patients get these tests outside of a clinical trial. #MCEDs
Cancer-Detecting Blood Tests Are on the Rise. Do They Work?
www.nytimes.com
December 3, 2025 at 3:57 PM
Cancer-Detecting Blood Tests Are on the Rise. Do They Work? www.nytimes.com/2025/12/02/w... Since we don't (yet) know the answer to this question, I do not recommend that patients get these tests outside of a clinical trial. #MCEDs
Reposted by Kenny Lin, MD, MPH
CDC experts and manufacturers haven't been consulted for an ACIP review of hepatitis B vaccine, raising concerns over any change in the vaccine schedule.
www.statnews.com/2025/12/02/a...
www.statnews.com/2025/12/02/a...
As vaccine panel prepares hepatitis B review, CDC and industry experts are excluded
CDC experts and manufacturers haven't been consulted for an ACIP review of hepatitis B vaccine, raising concerns over any change in the vaccine schedule.
www.statnews.com
December 2, 2025 at 9:42 PM
CDC experts and manufacturers haven't been consulted for an ACIP review of hepatitis B vaccine, raising concerns over any change in the vaccine schedule.
www.statnews.com/2025/12/02/a...
www.statnews.com/2025/12/02/a...
The Undermining of the C.D.C. www.newyorker.com/magazine/202... via @dhruvkhullar.bsky.social @newyorker.com "The country is under no obligation to tolerate institutionalized quackery or elected officials who, through feckless appeals and half measures, have become complicit in it." Amen.
The Undermining of the C.D.C.
The Department of Health and Human Services maintains that it is hewing to “gold standard, evidence-based science”—doublespeak that might unsettle Orwell.
www.newyorker.com
December 2, 2025 at 7:43 PM
The Undermining of the C.D.C. www.newyorker.com/magazine/202... via @dhruvkhullar.bsky.social @newyorker.com "The country is under no obligation to tolerate institutionalized quackery or elected officials who, through feckless appeals and half measures, have become complicit in it." Amen.
Expert review finds delaying the hepatitis B vaccine birth dose would increase chronic infections in kids www.statnews.com/2025/12/02/c... via @statnews.com
Expert review finds delaying the hepatitis B vaccine birth dose would increase chronic infections in kids
Delaying the timing of vaccinating infants against hepatitis B — which ACIP could vote on later this week — would likely lead to more chronic infections in kids.
www.statnews.com
December 2, 2025 at 1:38 PM
Expert review finds delaying the hepatitis B vaccine birth dose would increase chronic infections in kids www.statnews.com/2025/12/02/c... via @statnews.com