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#B1351
Eric Feigl-Ding
DrEricDing
DIFFERENCE A VARIANT CAN MAKE: Early in the Oxford-AstraZeneca’s South Africa trial, before #B1351 variant became dominant, the AZ vaccine had a great efficacy of 75% risk reduction of
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Eric Feigl-Ding
DrEricDing
REINFECTION WARNING from the WHO. “We are now getting reports of people getting reinfected with a new variant—from (#B1351)—suggesting people who’ve had prior infection could get infected again.” says
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Eric Feigl-Ding
DrEricDing
Worrisome discovery—Among placebo group for Novavax’s vaccine in South Africa: people with prior #COVID19 infections appeared just as likely to get sick as people without prior infections—means past infection wasn’t
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Eric Feigl-Ding
DrEricDing
REINFECTION & VACCINE SENSITIVITY—the concern is now growing very very real. This piece highlights the big S Africa CDC report I shared earlier, where antibodies from previously infected don’t
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Shane Crotty
profshanecrotty
Well, that's a nice surprise!What happens if you have had COVID infection before and you get a COVID vaccine? Some observations last week are summarized here:https://twitter.com/profshanecrotty/status/1356623349862989827?s=20 In a new p
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Eric Feigl-Ding
DrEricDing
BREAKING—Novavax says its #COVID19 vaccine is 90% effective, but likely only 50% against the #B1351 variant found in South Africa. 50% better than 0%, but clearly we have challenges with
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Shane Crotty
profshanecrotty
The AstraZeneca/Oxford (AZ) COVID vaccine (ChAdOx) results in South Africa are concerning. * The AZ vaccine had 75% efficacy against mild COVID through October 2020.* But only 22% efficacy more
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Michael Donnelly
donnellymjd
The latest preprint analysis of the B117 variant has this variant becoming dominant in the US in March. That's similar to my forecasts, though I don't think this analysis has
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Eric Feigl-Ding
DrEricDing
“coats are a lie”“If you look at the statistics for hypothermia, most of those people were wearing coats.”That’s where we are folks. #COVID19 2) Vaccines work and the faster we
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Eric Feigl-Ding
DrEricDing
Fauci: “We have to be concerned about the mutants” He’s right on the concern for the #B117, #B1351, #P1. Plus the B117+E484K mutant combination is worrisome. #COVID19 2) Here
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Anıl
ncholiA
1/ All eyes are on England because of the #B117 variant (501Y.V1/VOC202012/01).But WHY could the variant #B1351 (501Y.V2) detected in South Africa pose a bigger danger?To better understand this, let's
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Eric Feigl-Ding
DrEricDing
HERD IMMUNITY THRESHOLD HARDER—Vaccine herd immunity is becoming harder. The formula is (1-(1/R0)) depends on virus contagiousness, which #B117 variant is 40-80% higher & will be dominant soon. So instead
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Eric Feigl-Ding
DrEricDing
BREAKING—South Africa halted use of the AstraZeneca-Oxford #COVID19 vaccine on Sunday after evidence emerged that it did not protect participants from mild or moderate illness caused by the #B1351
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Eric Feigl-Ding
DrEricDing
STUNNING—South African’s CDC has made a sobering declaration:“We now know that mutations (K417N & E484K) have allowed #SARSCoV2 to become resistant to antibody neutralization.”“Blood samples from *1/2 tested showed all
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Eric Feigl-Ding
DrEricDing
BREAKING—Good & bad news—The Moderna #COVID19 vaccine fully protected against the UK #B117 variant... but was 6x less efficient at neutralizing the South African #B1351 variant in lab test.
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Eric Feigl-Ding
DrEricDing
OUTBREAK OF #B1351 VARIANT IN AUSTRIA —B1351 variant now identified in 293 cases in western Austria state of Tyrol—at least 140 active cases. Germany is considering closing the border
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