A new study shows that antibodies can cross the placenta and could be protective to the baby.
The vaccine's efficacy was highest in the U.S. and the lowest in South Africa, where a new variant is infecting people.
People who have schizophrenia may be two to three times more likely to die from COVID-19, study suggests.
The case is unusual because the woman had not been previously hospitalized with COVID-19 or put on a ventilator.
There's about a 2.5 per 1 million chance of developing a severe allergic reaction to Moderna's coronavirus vaccine.
All that sanitizer people have been using since the start of the COVID-19 epidemic has led to more than just dry hands and eye-watering smells: It's nearly blinding some children.
A new coronavirus variant has been found in multiple California outbreaks, but scientists aren't yet sure whether it's more transmissible than other strains.
One day, the pandemic will end. Scientists don't know how that finale will play out but a new model offers a teaser.
A little over a year after the World Health Organization first announced a string of mysterious illnesses, the agency will travel to their point of origin to investigate how it all started.