Vaccines The AstraZeneca vaccine is more effective when there’s a three month delay between dose 1 and dose 2. Unfortunately, the effectiveness drops quite a bit after the fifth week, from 84% in the fifth week to 58% after the seventh. Moderna is doing a long-term study of its vaccines, but is having a problem… Continue reading 2021-02-24 General
Category: General
2021-02-23 General
Variant of Concerns Californa There is a strain in California which appears to be more contagious, the B.1.427/B.1.429 strain, which has a single interesting mutation (L452R). It is not in a specific part of the spike protein called the Receptor-Binding Domain (RBD). According to the un-peer-reviewed information, the variant appears to be more contagious: people… Continue reading 2021-02-23 General
Vaccine effectiveness
Over the past two weeks, there have been quite a few studies which have shown that the vaccines work as expected. For example, see: The Economist — “the Pfizer-BioNTech vaccine reduced the hospitalisation rate among inoculated Scots by 85% four weeks after their first dose; the AstraZeneca-Oxford vaccine lowered hospitalisations by 94%. (The variation between… Continue reading Vaccine effectiveness