There’s been a big leap in the number of Covid vaccines known to have phase 3 results since my last catch-up post…

Mucosal vaccines are aimed at the mucosal membranes—the wet linings starting inside our noses and mouths. They can be sprays, drops, or…

SARS-CoV-2 – the coronavirus that causes Covid – is the third from its virus family to cause devastating pandemics or outbreaks in…

Thanks to some virtuoso high-profile performances from a few women early on, this claim took off fast: having a woman at the…

There could be well over 20 million children under 5 Covid-vaxed globally – the vast majority in China, and nearly all with…

Wartime sanctions have short-circuited Sputnik V’s future in most of the world. The US Treasury described RDIF, the state-controlled intermediary behind the…

In a post late last year, I used the phrase “contrarian Covid takes”. On Twitter, Lars Henning asked, “what exactly does it…

When I last posted on boosters in January, there were at least 14 countries offering fourth vaccine doses. Almost all were only…

It’s a glaring example of a pair of problems that have plagued Covid vaccines: parochialism and failures of information management when science…

Note: This post is historical. In 2023, I modified my process – details here. By the time the pandemic was declared in…

Seventeen vaccines with at least one variant-adapted version sounds like a lot. But none are actually in use yet. And given all…

By the middle of last year, 16 Covid vaccines had passed the critical milestone of announcing results from a phase 3 trial…