Man's 'heart attack' was really side effect from swallowed battery By Ashley P. Taylor Whether or not it affects the heart, eating batteries is dangerous.
Oxford COVID-19 vaccine up to 90% effective (with the right dose) By Yasemin Saplakoglu A third major coronavirus vaccine candidate has revealed promising results in late-stage trials.
Coronavirus outbreak: Live updates By Yasemin Saplakoglu, Jeanna Bryner, Rachael Rettner Among the top news today: Pfizer is expected to file for emergency approval of its coronavirus vaccine today.
Rural hospitals are under siege from COVID-19. Here's what doctors are facing, in their own words. By Lauren Hughes, Jennifer Bacani McKenney It’s difficult to put into words how hard COVID-19 is hitting rural America’s hospitals.
Ultrasound captures worms squirming in a man's stomach By Rachael Rettner Doctors observed a "tubular ... structure that moved with a curling motion" inside his stomach.
Could COVID-19 immunity last decades? Here’s the science. By Nicoletta Lanese Of course, rare cases of reinfection show that immunity is not long-lasting for everyone.
Speed of COVID vaccine testing did not compromise safety, Fauci says By Yasemin Saplakoglu This incredible speed in vaccine development is unprecedented, but the process is solid.
CDC urges Americans not to travel for Thanksgiving By Rachael Rettner The safest way to celebrate Thanksgiving is at home with people in your household, the agency said.
No, soaring COVID-19 cases are not due to more testing By Zoë McLaren COVID-19 cases are surging upward around the U.S., reaching 100,000 daily cases for the first time on Nov. 4 and 150,000 only eight days later.
Mysteries of COVID smell loss finally yield some answers By Stephani Sutherland Explanations begin to arise at the molecular level for this vexing but commonplace symptom
Woman's stomach pain turns out to be rare case of 'wandering spleen' By Nicoletta Lanese The organ shifted when ligaments around it became loose.
FDA authorizes 1st fully at-home COVID-19 test By Rachael Rettner The test, made by Lucira Health in California, requires a prescription.
Children can be stealth superspreaders of malaria to mosquitoes By Nicoletta Lanese These asymptomatic infections can undermine efforts to eliminate malaria.
Pfizer vaccine is 95% effective, company to seek FDA approval within days By Yasemin Saplakoglu The final efficacy analysis of its late-stage trial suggest Pfizer and BioNtech's vaccine is safe and effective at preventing COVID-19.
What are monoclonal antibodies? (And why do we need them?) By Rodney E. Rohde Here's why we need monoclonal antibodies to the coronavirus as well as a vaccine.
How early was the coronavirus really circulating in Italy? By Yasemin Saplakoglu A new study suggests as early as September of last year, but some experts are skeptical.
Olympic officials 'very confident' that next year's games in Tokyo will have spectators By Rachael Rettner Japan was scheduled to host the Olympic Games in the summer of 2020, but the coronavirus pandemic forced officials to postpone the competition until 2021.
Deadly hemorrhagic fever in Bolivia can spread between people By Rafi Letzter A deadly virus that causes fevers, abdominal pain, vomiting, bleeding gums, skin rash and pain behind the eyes can now jump from one person to another.
Moderna coronavirus vaccine is 94.5% effective, early results suggest By Yasemin Saplakoglu This comes a week after Pfizer announced similar results, providing hope that the world may soon have multiple vaccines that work effectively.
Dog ticks prefer humans as hosts when temperatures rise By Ashley P. Taylor The study researchers recruited some brave human and canine volunteers for a unique experiment.
