Two hippos in a Belgian zoo have tested positive for COVID-19, their keepers announced Friday, stressing that the giant animals do not appear to be in danger.
Dec 3, 2021
A Canadian government immunization advisory committee on Friday urged Covid-19 booster shots for people 18 and older who are at greater risk of infection, while also strongly recommending those 50 years-plus to get the third ...
Dec 3, 2021
The emergence of the Omicron variant of the coronavirus is the "ultimate evidence" of the danger of unequal vaccination rates around the world, the head of the Red Cross said on Friday.
Dec 3, 2021
The human body's immune system weakens over time, making older adults more susceptible to infections and leaving scientists with the puzzling dilemma of how to maintain health across the lifespan. As part of continuing research ...
Dec 3, 2021
