The US Is Getting Covid Booster Shots. The World Is Furious
The White House’s plan to roll out third shots for any American adult is raising profound questions about global equity.
The FDA OKs an Extra Vaccine Dose for Immunosuppressed People
The federal agency will allow people living with organ transplants, undergoing cancer treatments, and taking some medications to get a third shot.
The US Has 3 Covid Vaccines—Testing New Ones Is Complicated
Now that authorized versions are available, it’s tough to recruit volunteers for trials that might give them a placebo. But there are other options.
More Covid Vaccine Choices Mean New Equity Challenges
Johnson and Johnson’s vaccine can be delivered in a single dose, but it’s also slightly less effective. Who should get it?
What Will it Take to Make Covid-19 Vaccines Variant-Proof?
As emerging mutations threaten the progress made against the pandemic, scientists and regulators are racing to figure out a process for updating shots.
Why Kids Matter in the Quest to Stamp Out Covid-19
Testing a vaccine on children takes longer and comes with more challenges. But inoculating kids can protect an entire population.
Could the National HIV Strategy Help Guide the Covid Fight?
The Trump administration hasn't created a comprehensive plan for battling the pandemic. Some researchers propose borrowing one from the past.
The Chatbot Therapist Will See You Now
Lyme Isn’t the Only Disease Ticks Are Spreading This Summer
Obesity Surgery May Work by Remaking Your Gut Microbiome
