Astrid Iversen

@akiversen.bsky.social

Likes Virology & Immunology & Evolution & Epidemiology; tweets mine, retweets not. Professor of Virology and Immunology, University of Oxford; views my own

First 'epidemic'? Spoke to Oxford Uni's Ruairhidh Macleod about this 5,500-year-old plague outbreak that devastated families in Neolithic Siberia. Remarkable because these were mobile hunter-gatherers not settled farming communities - plus deadly virulence genes in early strains. rdcu.be/fo1RN

Lethal plague outbreaks in Lake Baikal hunter-gatherers 5,500 years ago

Nature - Analyses of ancient DNA from hunter-gatherers near Lake Baikal in southeast Siberia around 5,500 years ago indicate that highly virulent Yersinia pestis emerged earlier than previously...

rdcu.be

"...capability of the ANDV Epuyén/18−19 strain shows a facility (R>2) for sustaining continuous chains of transmission if no control measures are enforced" “Super-Spreaders” and Person-to-Person Transmission of Andes Virus in Argentina | New England Journal of Medicine www.nejm.org/doi/full/10....

“Super-Spreaders” and Person-to-Person Transmission of Andes Virus in Argentina | NEJM

From November 2018 through February 2019, person-to-person transmission of Andes virus (ANDV) hantavirus pulmonary syndrome occurred in Chubut Province, Argentina, and resulted in 34 confirmed infe...

nejm.org

I've been skeptical about this hypothesis, but I went looking for evidence anyway... and wow, it appears to be right! Emergency hospital admissions for Covid-19 in Scotland, by age, show a wave in paediatric admissions, not other ages. BA.3.2 was dominant in Scotland by start of Feb 2026. 1/

Bild
Ryan Hisner@ryanhisner.bsky.social · 4mo ago

So it's clear that BA.3.2 preferentially infects children, something we have never seen before in a SARS-CoV-2 variant. Why? The question's baffled me, but after a suggestion from @darrenmartin.bsky.social, I think I have an explanation that makes sense. 1/16

'...and the clitoris did not even make it into standard anatomy textbooks until the 38th edition of Gray’s Anatomy was published in 1995.' 'The mapping of clitoral nerves is likely to inform reconstructive surgery after female genital mutilation' 230 million www.theguardian.com/society/2026...

Full network of clitoral nerves mapped out for first time

Anatomy of one of least studied human organs could improve outcomes for women who have pelvic surgery

theguardian.com

🆕 Latest on the meningitis outbreak in Kent: We’ve worked with academic experts to produce a new technical briefing. Early evidence and preliminary analyses provide strong reassurance that existing vaccinations and antibiotic treatments remain effective against this MenB strain.

Professor Robin May, Chief Scientific Officer at the UK Health Security Agency, said:

This preliminary analysis offers strong reassurance that our existing vaccinations and antibiotic treatment offer will be effective against this strain.

In collaboration with the research community, we will continue intensive laboratory investigations of the strain to determine how the spread of the outbreak may have been influenced by the bacterial strain, social or environmental conditions, and population immunity.

I agree with Kristian. The Danish childhood vaccination schedule needs updating. Great to see Jens' comment that chickenpox vacc is being considered (will protect against acute illness- & prevent shingles & likely decrease dementia risk). These vaccines benefit children - for their whole life!

Kristian G. Andersen@kgandersen.bsky.social · 7mo ago

The fundamental difference - and the reason why Denmark can "get away" with fewer shots - is because it has universal healthcare, paid leave, and a homogenous population. But, ultimately, they have decided that thousands of annual cases of chickenpox, RSV, rotavirus, etc. is okay. I disagree.

There's a lot I agree with and, as always, @profjlundgren.bsky.social speaks from experience. That said, I don't buy the idea of "vaccination fatigue" linked to the number of individual shots (as opposed to doctor visits) - especially when it comes to key vaccines, incl. rota, RSV, chickenpox, etc.

Greg Folkers@gregfolkers.bsky.social · 7mo ago

ScienceInsider: Why does Denmark recommend so few childhood vaccines? A Danish scientist explains by Gretchen Vogel @science.org bit.ly/3LjVRYw

Det er en rigtig god ide at vaccinere mod skoldkopper - udover at beskytte børn mod skoldkopper vil det at undgå infektion med VZV virus også forhindre helvedsild senere i livet - og sandsynligvis nedsætte risikoen for demens. www.bbc.co.uk/news/article...

Chickenpox vaccines for children on NHS starts across UK

For the first time, children will be offered vaccination on the NHS against the common infection which, in rare cases, can be very serious.

bbc.co.uk