COVID-19 vaccines have been effective at keeping people from getting severely ill and dying from the virus, but they’ve required different boosters to try to keep on top of all of the coronavirus ...

A bad apple can spoil the barrel — unless you do something about it. We have all worked in teams where there is one difficult person. They sabotage teamwork, drag everyone down, and get the worst out ...

In the absence of effective treatments for COVID-19, many countries have approved the therapeutic use of blood plasma from recovering patients because it contains antibodies against the coronavirus.