Tag: Peter Doshi
The manufacturers of Covid-19 vaccines say they are 95% effective. Peter Doshi re-examined the evidence and estimates they are only 19-29% effective. This pre-print of an as-yet unpublished re-analysis raises many questions but doesn't support the claims being made on antivaccine sites.
Apples, Oranges, and How Not to Analyze a Vaccine RCT
The evidence is overwhelming that COVID vaccines keep people alive and out of the hospital. Only someone who starts with the conclusion that vaccines don't work and then works backwards to find the evidence could claim otherwise.
The “12% efficacy” myth from the “Pfizer data dump”: The latest slasher stat about COVID-19 vaccines
Last week, a claim that Pfizer's own documents demonstrate that the efficacy of its COVID-19 vaccine was only 12% (not the 95% reported) went viral. This is a slasher stat, so-named because it is not new and, like the killers in slasher movie series, even when it appears to be dead it always appears in another installment of the misinformation franchise to...
What the heck happened to The BMJ?
Last week, The BMJ published an "exposé" by Paul Thacker alleging patient unblinding, data falsification, and other wrongdoing by a company running three sites for the massive clinical trial of the Pfizer COVID-19 vaccine. It was a highly biased story embraced by antivaxxers, with a deceptively framed narrative and claims not placed into proper context, leading me to look into the broader...
New evidence, same conclusion: Tamiflu only modestly useful for influenza
Does Tamiflu have any meaningful effects on the prevention or treatment of influenza? Considering the drug’s been on the market for almost 15 years, and is widely used, you should expect this question has been answered after 15 flu seasons. Answering this question from a science-based perspective requires three steps: Consider prior probability, be systematic in the approach, and get all the...