New variants of the COVID-19 virus may be more contagious and cause more severe disease than the original. A pediatrician and infectious disease specialist explains why.
Though currently approved COVID-19 vaccines effectively provide immunity against the virus, it's unclear how long that protection will last.
The CDC first paused, then unpaused, the administration of the Johnson & Johnson COVID-19 vaccine due to concerns about blood clots. But what are those clots, and how do they form?
Astronomers just measured the largest flare ever from Proxima Centauri, humanity's closest neighboring star. These flares could be bad news for life trying to develop on a planet orbiting the star.
The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.
The federal agency in charge of enforcing discrimination laws in the workplace said 'yes,' but there are some important exceptions and limitations.
There is a lot of confusion and concern around asymptomatic spread of SARS-C0V-2. An infectious disease expert explains how many people are asymptomatic and how they can spread the virus.
Most commercial hand sanitizers are mainly alcohol, but forget about hitting the liquor store and mixing your own.
/
2
