Covid-2019 - 2021-08-11

In "Recommended Reading," a new Mayo Clinic study shows sharply diminishing effectiveness of the MRNA vaccines at preventing infections. Of course in the initial vaccine trials, and now, subjects are not deliberately exposed to infection under controlled conditions, so confounding variables have to be suspected. That said, while a lower level of effectiveness may change your personal risk-management decision about whether to get the jab, any effectiveness at all does act to damp down potential exponential spread. The more effective the better, but directionally, anything helps.