You finally managed to score an appointment to be vaccinated against the new coronavirus and you’re a little nervous about side effects, so taking a painkiller right before you get your shot seems like a smart idea. Not so fast, says the U.S. Centers for Disease Control and Prevention. Instead, the agency is telling people…  read on >  read on >

As the new coronavirus vaccine rollout gathers speed, elevators will likely become a flash point for businesses hoping to reopen offices while sticking to social distancing. And a new computer simulation suggests that the usual “first-come, first-served” elevator routine is neither safe nor practical. “Now that vaccines are within reach, many buildings are slated for…  read on >  read on >

Scientists may have discovered why cold sores caused by herpes simplex virus (HSV) are triggered by stress, illness and sunburn. The finding could lead to new ways to prevent recurring cold sores and herpes-related eye disease, U.S. and British researchers say. More than half of Americans are infected with herpes simplex virus. It is spread…  read on >  read on >