Yet more good news on the Pfizer vaccine, showing even higher effectiveness 14 days after 2nd dose. Effectiveness:
95.8% at preventing infection
98% at preventing symptoms
98.9% at preventing hospitalisations
99.2% at stopping serious disease
98.9% at preventing death
95.8% at preventing infection
98% at preventing symptoms
98.9% at preventing hospitalisations
99.2% at stopping serious disease
98.9% at preventing death
This new data from Israel's Health Ministry, published a few minutes ago, is SO good that I'm actually a little suspicious of it. Could be a function of the short dosing interval giving a few weeks of very high antibodies?
Alternatively, there could be some herd effects starting to happen in mostly-vaccinated populations compared to towns with low numbers of vaccinated people.
For people asking me: I'm not a medical expect, but I don't expect to see results this strong for the Astrazeneca vaccine. The AZ vaccine is great. The Pfizer and Moderna vaccines look like they're miracles.
IMPORTANT NOTE: Health Ministry sources are briefing that these numbers should be "taken with an asterisk" and are likely to change as data comes in. One particular question raised was whether ethnic and socioeconomic factors were included in building the control group.
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