2021-08-26 General

Side Effects This paper says that cloth masks are the worst for speech intelligibility. Use a medical mask. Long COVID This preprint from China says that: The proportion of previously hospitalized patients with COVID who had symptoms dropped from 68% at six months to 49% at 12 months. The proportion with fatigue increased slightly, from… Continue reading 2021-08-26 General

2021-08-24 General

Vaccines This thread gives a more general discussion of this preprint and says that while antibody levels in the blood, yeah, do go down for six months, the memory B cells totally rock at ramping up antibodies when needed. This thread gives a more general discussion of this preprint about waning vaccine effectiveness in Israel.… Continue reading 2021-08-24 General

2021-08-23 General

Vaccines This Twitter thread is an excellent discussion of how to understand the “do vaccines wane” discussion. Please go read it. The US FDA today gave full approval to Pfizer, as opposed to the Emergency Use Authorization that it had given. This is important because there were entities which were not legally able to require… Continue reading 2021-08-23 General

2021-08-21/22 General

Transmission This great preprint of healthcare workers in the Netherlands finds that despite having similar PCR results for vaccinated and unvaccinated people, vaccinated people actually are less likely to have actual infectious viruses. PCR tests look for pieces of RNA, but the RNA might be fragments, it’s not necessarily whole virus which can cause infection.… Continue reading 2021-08-21/22 General

2021-08-20 General

Mitigation Measures This article says that masking was responsible for a 68% reduction in transmissions and that regular testing got the reduction up to 77%. This preprint looked at different mitigation measures in schools in Switzerland. Some highlights of the reductions in viral dosage they saw: Keeping all the windows open in winter: 14x Universal… Continue reading 2021-08-20 General

2021-08-19 General

Vaccines I see a lot of anxiety about vaccines decreasing in effectiveness. In the US, Biden announced that third-dose-boosters would start being delivered on 20 August, never mind that the FDA has not yet approved boosters. Here is an example of someone showing the waning effectiveness of the vaccines: But some of the studies have… Continue reading 2021-08-19 General