African countries without the coronavirus variant dominant in South Africa should go ahead and use the AstraZeneca COVID-19 vaccine, the Africa Centers for Disease Control and […]
German leaders warned Thursday that they could not rule out shutting Germany’s borders with its neighbours because of troublingly high coronavirus infections fuelled by more contagious […]
Researchers at the University of Virginia School of Medicine have shed light on what causes herpes simplex virus to flare up, explaining how stress, illness and […]