2022-01-05 General

Vaccines Studies of the effectiveness of boosters against Omicron in humans (as opposed to test tubes) are starting to come out, and they are not as encouraging as one would like. This preprint from the UK says in people who got AZ, a Pfizer booster is 89.1% effective against symptomatic infection and for those who… Continue reading 2022-01-05 General

2021-12-30 General

Mitigation Measures This article says that people can now apply for the federal Canada Worker Lockdown Benefit of up to $300/week, retroactive to 19 Dec. Variants This report from Ontario Public Health says that, after adjusting for vaccination status, the risk of severe illness from Omicron is 54% that from Delta. This preprint (from August)… Continue reading 2021-12-30 General

2021-12-23 General

Variants I have been frustrated with some of the talk around Omicron’s virulence, and this tweet made me realize what my problem was: we shouldn’t be talking about THE virulence (usually expressed as the Case Hospitalization Rate or CHR) as a single number. There is a different CHR for the general population (the observed virulence)… Continue reading 2021-12-23 General

2021-12-21 General

Variants More qualified good news: this preprint out of South Africa says that Omicron is only 70% as likely to send someone to the hospital as Delta. All the same caveats I’ve made previously apply, though. This Twitter thread does an estimate of the Case Hospitalization Rate (CHR) in New South Wales, Australia. This is… Continue reading 2021-12-21 General