Many people who've received two-dose Covid-19 vaccines say the second dose spurs much more significant side effects than the first, Katherine Wu reports for The Atlantic. Here's what to expect from a second dose—and why its effects are so different.
Media reports on new data regarding AstraZeneca's experimental Covid-19 vaccine sparked confusion Wednesday about whether the vaccine candidate can reduce transmission of the novel coronavirus. Here's what the data found on the experimental vaccine's efficacy, potential effect on virus transmission, and more.
Running places a great deal of force on a person's knees—but does all of that strain lead to a greater risk of osteoarthritis later in life? A new study delves into the science of running to explore the effects.
Intermountain Healthcare has announced plans to begin building a new medical campus on a 40-acre site in Saratoga Springs, Utah, this year, in today's bite-sized hospital and health industry news from the District of Columbia, North Carolina, and Utah.