As winter looms and Americans increasingly gather indoors without masks or social distancing, a medley of new coronavirus variants is seeding a rise in...
While health surveillance is weak, he acknowledged, Sierra Leoneans have the recent, terrible experience of Ebola, which killed 4,000 people here in 2014-16. Since...
But if you’re currently dealing with an active infection, the Centers for Disease Control and Prevention recommends waiting at least until you no longer...
HYDERABAD, India — On the outskirts of this centuries-old Indian city, a world away from its congested roads and cacophony, the gleaming modern laboratories...
Because an immunocompromised host doesn’t produce a lot of antibodies, many viruses are left to propagate. And new mutant viruses that resist the antibodies...
At the onset of the coronavirus pandemic in 2020, scarce ventilators and protective equipment faced strict rationing. Today, as the pandemic rages into its...
If asked to show her vaccine card, Stacey Ricks can choose from three.Ms. Ricks, 49, a kidney transplant recipient who takes immune-suppressing medication, did...
When Jonathan Isaac, a prominent basketball player for the Orlando Magic, explained why he chose not to be vaccinated against the coronavirus, he tapped...