Featured in herd immunity
There are more immunocompromised Americans than we think, and that’s a problem with COVID-19 vaccines
People with compromised immune systems are potentially at-risk for a serious case of COVID-19.
The US joined the push to waive COVID-19 vaccine patents. Will it actually help?
Critics say the move won’t help spread lifesaving shots around the globe
The US might never reach herd immunity—here’s why
Here's what you need to know about the COVID-19 pandemic this week.
Ramping up COVID-19 vaccine production is harder than it seems
Here’s how the coronavirus vaccines are produced, step-by-step.
Why South Africa stopped using the AstraZeneca COVID-19 vaccine
Here’s everything you need to know this week.
Israel leads the world in vaccination rates, but a key group is missing from the data
To reach herd immunity, the Israeli government needs to reserve doses for Gaza and the West Bank.
The CDC thinks 90 percent of the US could still catch COVID-19
At a senate hearing, Anthony Fauci and other public health experts testified on the search for a vaccine, herd immunity, and more.
A Brazilian city may have achieved herd immunity to COVID-19—but not without a cost
Though the study has yet to be peer-reviewed, it’s largely in line with what epidemiologists have previously predicted.
Herd immunity alone won’t stop COVID-19. Here’s why.
We have better ways to fight the pandemic.
Why only half of Americans say they would get a COVID-19 vaccine
Not enough people would elect to get vaccinated to create a protective herd immunity effect, a survey suggests.