Vaccines and blood clots
Does the AstraZeneca vaccine (AZV) cause rare and dangerous types of blood clot? Probably yes, and AZV is now not recommended for people under 30. Let’s look at the overall picture. Out of 4.4 million people confirmed to have Covid-19, over 150,000 have died. That’s about 34,000 per million confirmed cases. Confirmed cases are likely to be an underestimate of actual cases but, taking the highest estimate, the fatality rate is still at least 10,000 per million cases or about 1%. In principle, mass vaccination should eventually be able to reduce Covid infection rates, and therefore deaths, to...