
Mix-and-Match COVID Vaccines Trigger Potent Immune Response
Preliminary results from a trial of more than 600 people are the first to show the benefits of combining different vaccines

Mix-and-Match COVID Vaccines Trigger Potent Immune Response
Preliminary results from a trial of more than 600 people are the first to show the benefits of combining different vaccines

COVID, Quickly, Episode 7: The Coming Pandemic Grief Wave, and Mask Whiplash
Today we bring you a new episode in our podcast series: COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.


COVID Has Put the World at Risk of Prolonged Grief Disorder
COVID deaths are leaving millions bereaved. For some, the intense grief never recedes, making daily life almost impossible

Why Monoclonal Antibody COVID Therapies Have Not Lived Up to Expectations
The drugs used to treat Donald Trump have not been widely administered to other patients, but they still have a role to play

Delaying a COVID Vaccine’s Second Dose Boosts Immune Response in the Elderly
People older than 80 who waited 11 to 12 weeks for their second jab had higher peak antibody levels than did those who waited only three weeks

Will COVID Force Public Health to Confront America’s Epic Inequality?
In California’s San Joaquin Valley, some researchers are turning political to address the social determinants of health

Adolescents Can Finally Get Vaccinated against COVID
Pfizer-BioNTech vaccine approval is younger teens’ shot at freedom

It’s Time to Reevaluate How We Talk about COVID Risk
It exists on a spectrum, and pretending activities are either deadly or risk-free helps no one

Coronavirus News Roundup: May 1–May 7
Pandemic highlights for the week

COVID, Quickly, Episode 6: The Real Reason for India’s Surge and Mask Liftoff
Today we bring you a new episode in our podcast series: COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

Brazil’s Pandemic Is a ‘Biological Fukushima’ That Threatens the Entire Planet
The largest country in Latin America now has states and cities where deaths are outpacing births

Reckless Rush to Reopen Threatens Chile’s Exemplary Vaccination Strategy
Easing restrictions without clear risk communication undercuts some of the country’s hard-won progress in fighting the pandemic