audreyh1
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Which sharp drop? The vaccines take 5 to 6 weeks to become effective, so there is a noticeable lag. Only a small percent of people started getting vaccinated thru Jan, and really didn’t reach a significant number until Feb/Mar but still restricted to the very oldest in the population or medical/front line workers. Only in March/April was it opened to everyone.Here’s an interesting chart:
https://pbs.twimg.com/media/E035C1UUUAMaHnc?format=jpg&name=4096x4096
Note the sharp drop in the seven day average that started at the same time vaccinations became available.
The dramatic Jan drop is from other factors.
Even though there is some definite protection from infection about 2 weeks after the first dose, that’s less true for the variants. My main point is that IMO not enough people had been vaccinated by Jan 1 to cause a dramatic drop across the whole population starting mid Jan. Sure vaccines probably started to help pull down that curve as time went on, but then it stalled out and even went up a bit while way more people were getting vaccinated! We should be seeing more dramatic results now that a much higher percentage has been fully vaccinated and even more have gotten their first dose.
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