Your Local Epidemiologist
SEPTEMBER 26, 2024
Problem #1: Expectation management On June 30, 2020, the FDA released guidance on what standards COVID vaccines must meet to gain FDA authorization: 50% efficacy. Better than we dared to hope Then, in late 2020, expectations were blown out of the water. And we didn’t have herd immunity. Enter the COVID vaccines.
Gideon
AUGUST 18, 2021
The Delta Variant is a Different Beast; Natural Immunity Needs All the Help it Can Get. variant, or Delta, is significantly more contagious than the original COVID-19 virus from 2020 and all other existing variants. What Is Herd Immunity? Has An Infectious Disease Ever Been Eradicated By Reaching Herd Immunity?
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The Hill
FEBRUARY 14, 2025
Even a vaccination rate of below approximately 95 percent increases the risk of outbreaks, the World Health Organization warns, because herd immunity is only achieved at that rate. percent during the 2019-2020 school year to 92.7 percent during the 2019-2020 school year to 92.7 percent in 2023-2024. percent in 2023-2024.
Your Local Epidemiologist
DECEMBER 4, 2024
In winter 2020, we were losing ~3,500 people per day. In October 2020, the GBD advocated for a distinct approach: isolate the vulnerable while allowing infections to spread among lower-risk members of the population. And it worked. Take the Great Barrington Declaration.
KFF Health News
NOVEMBER 26, 2024
But remember, going back to what’s public health, the power of vaccines is in herd immunity effect. This is a newsletter that is run by Katelyn Jetelina, who back in 2020 started an email. It’s important to keep in mind the majority of adults, around 70%, still say that childhood vaccines are really important.
The Hill
MARCH 25, 2025
Bhattacharya was one of the primary authors of the Great Barrington Declaration, a document signed by thousands of public health experts in late 2020 that pushed the argument of "herd immunity; allowing the virus to spread among lower-risk, younger people to build up immunity while having focused protection on older, high-risk people.
The Hill
DECEMBER 1, 2024
He faced criticism in 2020 for promoting the anti-malaria drug hydroxychloroquine to treat COVID-19. He predicted that herd immunity would happen by April, which did not ultimately come to pass. He co-wrote an open letter in 2020 calling for the rollback of COVID-19 lockdowns and refocusing on vulnerable groups.
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