
Medicine
New Johnson & Johnson Shot Prevents Severe COVID As Well As Existing Vaccines Do, Experts Say
Trials of all three vaccines came up with different efficacy numbers, but all offer crucial protection in this health emergency
Trials of all three vaccines came up with different efficacy numbers, but all offer crucial protection in this health emergency
Much of the pioneering work on mRNA vaccines was done with government money, though drugmakers could walk away with big profits
The test was halted when a participant suffered spinal cord damage, and U.S. scientists launched an investigation
Support science journalism.
Thanks for reading Scientific American. Knowledge awaits.
Already a subscriber? Sign in.
Thanks for reading Scientific American. Create your free account or Sign in to continue.
Create Account