2022-02-25 General

Pathology This article suggests that the reason that COVID-19 hits old people so much harder than young people is that old people have more antibodies to important pieces of their own innate immune system, particularly interferons. (In other words, they attack critical pieces of their own immune system.) They found that the proportion of people… Continue reading 2022-02-25 General

2022-02-18 General

Vaccines This preprint from Israel says that a fourth dose is helpful, but not that much. The efficacy versus people who had three doses was: 30% for Pfizer; 11% for Moderna. In other words, in cohorts of N people with three doses, N people with three doses plus 1 dose of Pfizer, and N people… Continue reading 2022-02-18 General