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

2021-12-17 General

I remember thinking it was really strange that more people died in the second year of the Spanish Flu pandemic than the first. I’m not surprised any more. Vaccines Someone asked me today, “would Omicron still have arisen if we’d had equitable and effective vaccine distribution globally? At first I hedged, and said we couldn’t… Continue reading 2021-12-17 General

2021-12-04/05/06 General

Variants I referenced a preprint on Friday which said that Omicron’s doubling time was 1.2 days, but everybody else seems to be saying more like 2.5 days. This makes a difference: ten doublings (which is about 1000x) is either 12 days away or 25, which means before Christmas or after Christmas. Either way, don’t plan… Continue reading 2021-12-04/05/06 General