Can You Reuse a KN95 or N95 Mask? Experts Say Yes, but Follow These Steps
Regularly check for stretched-out straps, staining and soiling, which can compromise masks’ ability to filter viruses like Covid-19
What Is ‘Flurona’? Cases of Co-Infections Increase Amid Peak Influenza Season and Omicron Variant Surge
In the United States, most infections are being reported in young children and teens
Should You Add a Throat Swab to Your At-Home Covid-19 Test?
Mounting evidence suggests the extra step might catch Omicron infections earlier than a nasal swab alone, but the FDA warns against it
U.S. Sets Record With Over 1 Million New Daily Covid-19 Cases
Experts credit the recent surge to the spreading omicron variant and a lag in case reporting over the holidays
How Shark Antibodies Could Aid the Fight Against Coronavirus and Prepare for Future Outbreaks
The protein-like immune molecules were found to block SARS-Cov-2 from entering human cells
The Ten Most Significant Science Stories of 2021
Thrilling discoveries, hurdles in the fight against Covid and advancements in space exploration defined the past year
The CDC Now Recommends Pfizer and Moderna Covid-19 Vaccines Over J&J
The decision comes after more evidence linking the Johnson & Johnson shot to a rare blood clotting syndrome
Pfizer Says Covid-19 Pill Is Effective and Likely Works Against Omicron
The drug helps those already infected, but experts say vaccination is the best way to prevent contracting and spreading the virus
The Ten Best Science Books of 2021
From captivating memoirs by researchers to illuminating narratives by veteran science journalists, these works affected us the most this year
Searching for Curry and Enlightenment on the Indian Buffet Line
A return to trays of glistening tandoori and hand-rolled naan for the first time since the start of the Covid-19 pandemic is a return to normalcy
What Experts Do and Don’t Know About the Omicron Covid-19 Variant
Scientists have dubbed Omicron a “variant of concern,” but warn against panic
Could Skin Patches Be the Future of Covid Vaccines?
The device might survive longer storage times and pose a better option for people afraid of needles
FDA Panel Recommends Pfizer Vaccine for Children 5 to 11
The lower-dose vaccine was deemed safe and highly effective at preventing symptomatic Covid-19 infections in young children
FDA Backs Moderna and J&J Boosters, Plus Mix-and-Match Strategy
Experts say fully vaccinated Americans are still well protected, but boosters could provide added immunity for millions
In 19th-Century Gibraltar, Survivors of a Deadly Virus Used ‘Fever Passes’ to Prove Their Immunity
Should historic health officials’ response to yellow fever outbreaks on the Iberian Peninsula serve as a model for modern pandemic management strategies?
Racism Is Declared a Public Health Crisis in New York City
The new resolution outlines steps toward a ‘racially just recovery’ from the Covid-19 pandemic for all New Yorkers
FDA Panel Unanimously Recommends Johnson & Johnson Covid-19 Booster Shots
The committee said some J&J recipients might have a stronger immune response by opting to get a Moderna or Pfizer booster instead
Seven Important Questions About Covid Antivirals Answered
New medicines may stop the virus from replicating so your immune system can fight a few viral soldiers instead of an army
More Than 700,000 Americans Have Now Died of Covid-19
There have been over 100,000 deaths since mid-June despite widespread vaccine availability
In Western Europe, Covid-19 Caused the Biggest Drop in Life Expectancy Since World War II
The study authors say the pandemic may have an even greater impact on life spans in less developed countries that were not included in the research
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