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Kristian G. Andersen

@kgandersen.bsky.social

238 Following17k Followers

Infectious diseases & genomics. Immunologist in (voluntary) exile. Minimal sarcasm. Fierce HOA (Hater of Acronyms). Personal account - opinions expressed are my own and not those of my employer.

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@gregggonsalves.bsky.socialOct 11, 2026, 5:33 PMReposted by @kgandersen.bsky.social

The Danish government and the EU should be looking into this and into Syddansk Universitet - University of Southern Denmark, which has condoned this so-called research. 1/ www.theguardian.com/society/2026...

@gavinyamey.bsky.socialOct 9, 2026, 10:32 PMReposted by @kgandersen.bsky.social

Holy shit

FOUR members of the ethics committee in Denmark that gave the green light to allow the widely-condemned RFK Jr-funded trial to proceed in Guinea-Bissau have now resigned in protest

This quote is 🔥

Great reporting by @melodyschreiber.com

www.theguardian.com/society/2026...

Stig Børsen Hansen, a founding member who was one of two reviewers who presented the study to the Danish committee, resigned from the group in protest on Friday, citing major ethical issues with the study.

“You are now enrolling newborns in a lottery to test a hypothesis,” Hansen said. The children who are randomly selected not to receive the birth dose of the vaccine, those who “lost the lottery”, face in their earliest days the risk of contracting hepatitis B, which can cause irreversible lifelong damage. “They contract hepatitis B in the context of being part of a research project,” Hansen said, which made their infection happen, in effect, “by design”.

Three other members of the committee have also resigned in protest.
@kgandersen.bsky.socialOct 9, 2026, 6:43 PM

San Diego County continues to build its leadership for infectious disease monitoring and forecasting.

Great to see and this really serves as a template for the rest of the country 👏.

www.sandiegouniontribune.com/2026/10/09/c...

@kgandersen.bsky.socialOct 9, 2026, 3:52 PM

Great study! 1️⃣ 686 sequences, ~13% of cases (‼️) 2️⃣ Evolutionary rate of 8.7×10-4 s/s/y (a little slow vs EBOV) 3️⃣ Doubling time: ~2 weeks 4️⃣ Timing: late February 2026 5️⃣ Slow start in in Mongbwalu, amplification in urban center(s) 6️⃣ No evidence of majority mutations linked to fitness increase 👏

@kgandersen.bsky.socialOct 9, 2026, 3:27 PM

“Quick power nap and then I’ll get to it”. Repeat.

@boghuma.bsky.socialOct 9, 2026, 11:20 AMReposted by @kgandersen.bsky.social

This study was unethical when it was announced last year and it remains unethical today. The birth dose of the hepatitis b vaccine prevents perinatal acquisition of the infection. You cannot randomize a group of newborns to not receive it while giving it to others.
www.linkedin.com/safety/go/?u...

@kgandersen.bsky.socialOct 9, 2026, 12:55 AM

Looking forward to it!

@gregfolkers.bsky.socialOct 8, 2026, 11:13 PMReposted by @kgandersen.bsky.social

CIDRAP: Hepatitis B vaccine study condemned as unethical wins approval from Danish university

by Liz Szabo @cidrap.bsky.social @lizszabo.bsky.social

bit.ly/4i9QSHf 💥

@jemmageoghegan.bsky.socialOct 8, 2026, 11:20 PMReposted by @kgandersen.bsky.social

See you in Geneva!

@kgandersen.bsky.socialOct 8, 2026, 9:12 PM

Good question...

@kgandersen.bsky.socialOct 8, 2026, 9:05 PM

I really *do* hope your article will age better than the one it covered 😜.

@richardsever.bsky.socialOct 8, 2026, 6:21 PMReposted by @kgandersen.bsky.social

"Jacobsen’s scenario is a poor map of biological risk...stacking worst-case assumptions about pathogen transmissibility, blurring the distinction between dual-use research and weaponization, and overstating what AI changes" thebulletin.org/2026/10/anni...

@kgandersen.bsky.socialOct 8, 2026, 6:41 PM

Overall, though, I'm glad to see CREID (re)funded and hope that the centers - despite the shackles they have been put in - will be able to continue their impactful work. The new+old CREID centers all do great work across the spectrum of infectious disease research, so seeing them funded is great!

@kgandersen.bsky.socialOct 8, 2026, 6:41 PM

Further, the prior quote from HHS said ".. CREID money will go to people looking at infectious diseases in public health." Which, given the fact that technologies and tools we developed as part of CREID v1 are highly utilized by public health agencies, locally, nationally, and internationally, is 🤷‍♂️

@kgandersen.bsky.socialOct 8, 2026, 6:41 PM

... which is kinda funny because HHS specifically told Science "The CREID program will focus on emerging pathogens [..], such as Ebola virus and hantaviruses.." 😆🤷‍♂️

@kgandersen.bsky.socialOct 8, 2026, 6:41 PM

"... “We’re not funding Kristian Andersen and that virologist crew,” the [HHS] official was quoted as saying [...] Science has confirmed that Andersen’s team applied for continued CREID funding but did not get a new award." Indeed. With a specific focus on Ebola, Hantaviruses, Mpox, and Lassa.

@acritschristoph.bsky.socialOct 8, 2026, 12:51 PMReposted by @kgandersen.bsky.social

Maybe the only real lesson from the Russian PUE case has been that authoritative sources- medias, scientists, even the WHO itself- are overly uncritical of, and influenced by, misinformation and conspiratorial thinking. there is a need for more info hygiene and empirical skepticism in biosecurity.

@amymaxmen.bsky.socialOct 8, 2026, 1:32 PMReposted by @kgandersen.bsky.social

Russian bioweapon lab-leak pandemic?

Nope, for the reasons stated in this oped from biosecurity wiz @ggronvall.bsky.social. But, she writes, there are plenty of related reasons to be worried. www.nytimes.com/2026/10/08/o...

@kgandersen.bsky.socialOct 8, 2026, 12:20 AM

Oh, definitely all of them - except the latter 😆.

@gregfolkers.bsky.socialOct 7, 2026, 6:59 PMReposted by @kgandersen.bsky.social

ScienceInsider: November elections may bring little relief for scientists beleaguered by Trump

If Democrats win one or both chambers of Congress, investigations are likely, but meaningful change may elusive

By @jocelynkaiser.bsky.social @policyhound.bsky.social @science.org

bit.ly/4zlHxlC

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