Which COVID Tests Are Required for International Travel?
In an effort to limit the spread of new coronavirus variants, many countries are requiring incoming travelers to show a recent negative test. But what test is required depends on where you're going.
The State of Vaccine Supply: 'Opaque.' Unpredictable. 'Hard to Pin Down.'
Data about the number of vaccines delivered and administered lag. Sign-up systems are clunky and balkanized. But here's the real bottom line: Demand far exceeds supply — at least for the moment.
When Your Chance for a Covid Shot Comes, Don't Worry About the Numbers
When getting vaccinated against COVID-19, there's no sense being picky. You should take the first authorized vaccine that's offered, experts say.
Does Wearing Two Masks Provide More Protection?
It depends, but it's possible that doubling up could help in some situations.
Will a 'Vaccine Passport' Be More Valuable Than TSA Pre-Check for Future Travel?
A vaccine passport "could be the golden ticket to rebooting travel," but how long will it take to get the double dose, and what technology is being developed to prove it?
Why Even Presidential Pressure Might Not Get More Vaccine to Market Faster
Americans are dying of COVID-19 by the thousands, but efforts to ramp up production of potentially lifesaving vaccines are hitting a brick wall.
UK Chief Scientist Says New Virus Variant May be More Deadly
There is some evidence that a new coronavirus variant first identified in southeast England carries a higher risk of death than the original strain.
Can COVID-19 Vaccines be Mixed and Matched?
Worried that your second vaccine dose may not be available? Experts weigh in on the efficacy of mixing the Pfizer and Moderna vaccines.
'We Know This is Real': New Clinics Aid Virus Long-Haulers
Dozens of facilities have cropped up around the U.S. to address a puzzling aspect of COVID-19 — the effects that can stubbornly afflict some people weeks or months after the infection itself has subsided.
A New COVID-19 Challenge: Mutations Rise Along with Cases
The race against the virus that causes COVID-19 has taken a new turn: Mutations are rapidly popping up, and the longer it takes to vaccinate people, the more likely it is that a variant that can elude current tests, treatments and vaccines could emerge.
5 Reasons to Wear a Mask Even After You're Vaccinated
"Masks and social distancing will need to continue into the foreseeable future — until we have some level of herd immunity," said Dr. Preeti Malani, chief health officer at the University of Michigan. "Masks and distancing are here to stay."
Feeling Left Out: Private Practice Doctors, Patients Wonder When It's Their Turn for Vaccine
Not only are doctors having trouble getting vaccine for patients, but many of the community-based physicians and medical staff that aren't employed by hospitals or health systems also report mixed results in getting inoculated.
Should You Get COVID-19 Vaccine if You've Had the Virus?
After someone recovers, their immune system should keep them from getting sick again right away. Scientists still don't know exactly how long this immunity lasts or how strong it is.
Is Your COVID Vaccine Venue Prepared to Handle Rare, Life-Threatening Reactions?
Health experts say it's vital that these expanded venues be prepared to handle rare but potentially life-threatening allergic reactions.
Eureka! Two Vaccines Work, But What About the Others in the Pharma Arms Race?
If trials can't go forward, that could very well have an impact on the world's supply of covid vaccines and eventually on vaccine prices, especially if booster shots are needed in years to come.
How to Outsmart Your COVID-19 Fears and Boost Your Mood in 2021
After a year of toxic stress ignited by so much fear and uncertainty, now is a good time to reset, pay attention to your mental health and develop some healthy ways to manage the pressures going forward.
Some COVID-19 Patients Experiencing Psychosis, According to Doctors
Doctors in the U.S. and abroad are reporting that a noteworthy number of COVID-19 patients have experienced psychotic symptoms.
COVID Vaccines Appear Safe and Effective, but Key Questions Remain
Vaccine development in under a year, shattering all records, is a marvel of science. It's also a cause for concern for millions of Americans who fear the uncertainty of an unknown technology.
Are New Coronavirus Strains Cause For Concern?
Experts say it's unclear if that's the case or whether the new coronavirus strains pose any concern for vaccines or cause more severe disease.
It's Time to Scare People About COVID
As the United States faces out-of-control spikes from COVID-19, with people refusing to take recommended, often even mandated, precautions, our public health announcements feel lame compared with the urgency of the moment.