China hits the city of 11 million with severe restrictions, as more than 100 COVID cases have been discovered
Does the COVID-19 vaccine lose its effectiveness over time and should it be taken annually like the flu shot?
Paramedic Robby Vargas-Cortes introduces boyfriend Eric Vander Lee, who was the nurse who administered his COVID-19 vaccine
Houston Methodist, to award his workers a $ 500 ‘Hope’ bonus in early March, says Marc Boom, CEO and president