Flu cases are rising again after briefly falling in January. Grace Cary/Getty Images hide caption
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Even as flu cases rise, it's still not too late to get vaccinated. Nam Y. Huh/AP hide caption
The FDA recently authorized the iHealth at-home test for the SARS-CoV2 virus and two strains of the flu virus. iHealth Labs, Inc hide caption
A fifth-grader receives the FluMist influenza virus vaccine in Anaheim, Calif., in 2015. Jeff Gritchen/Digital First Media/Orange County Register via Getty Images hide caption
A street painting in Mumbai, India, reinforces the importance of masks amid a surge of COVID. The photo was taken on January 11. Indranil Aditya via Reuters Connect hide caption
Davey Bauer was near death six months ago after the flu and another bacterial infection wasted his lungs. Now he says he's feeling stronger each day as he recovers from a double lung transplant. José M. Osorio/Northwestern Medicine hide caption
A poster in Kolkata, India, from peak pandemic days sends a message to mask up. Now that the official COVID-19 global emergency is no longer in effect, some folks are thrilled to stop masking — but others wonder if it's a good idea to keep up certain precautions. NurPhoto via Getty Images hide caption
Your kids are adorable germ vectors. Here's how often they get your household sick
From left: 1) Colored scanning electron micrograph (SEM) of a human cell infected with H3N2 flu virus (gold filamentous particles). 2) Scanning electron micrograph of human respiratory syncytial virus (RSV) virions (colorized blue) that are shedding from the surface of human lung epithelial cells. 3) Transmission electron micrograph of SARS-CoV-2 Omicron virus particles (gold). Science Source/ NIAID hide caption
Experts are concerned Thanksgiving gatherings could accelerate a 'tripledemic'
Waterfowl and the raptors that dine on them, like this bald eagle and snow goose, have both been killed by the new bird flu virus. Jeff Goulden/Getty Images hide caption
A worrisome new bird flu is spreading in American birds and may be here to stay
Wash your hands. A lot. That's the message from public health specialists as cold and flu season arrives. Jens Kalaene/picture alliance via Getty Image hide caption
People wait for a flu vaccine in May in Manaus, Brazil. The flu season had a surprisingly low count of influenza cases in the Southern Hemisphere, and researchers are trying to figure out the role coronavirus precautions might have played. Andre Coelho/Getty Images hide caption
Vaccine-makers are readying 190 million doses of the flu vaccine for deployment across the U.S. this fall — 20 million more doses than in a typical year. A nasal spray version will be available, as well as shots. Justin Sullivan/Getty Images hide caption
The coronavirus outbreak began during the cold of winter in Wuhan, China. Scientists are asking if heat and humidity in countries like Malaysia (above, right) — and in regions where summer is soon starting — could slow transmission. Nicolas Asfouri/AFP via Getty Images/ Lim Huey Teng/Reuters hide caption
Will Summer Slow The Spread Of COVID-19? Scientists Try To Figure It Out
President Donald Trump talks with host Bill Hemmer Tuesday during a Fox News virtual town hall with members of the coronavirus task force at the White House. Evan Vucci/AP hide caption
(At left) A colorized electron micrograph image of the influenza virus. (At right) Color-enhanced electron micrograph image of SARS-CoV-2 virus particles, isolated from a patient. Science Source hide caption
Cough into your elbow, not your hand. Or pull the collar of your T-shirt up to cover your mouth when coughing. That's the coughing advice from experts who seek to minimize risk of viral transmission. Max Posner/NPR hide caption
Most efforts to develop a universal flu vaccine have focused on the lollipop-shaped hemagglutinin protein (pink in this illustration of a flu virus). Kateryna Kon/Science Photo Library/Getty Images hide caption
Researchers Step Up Efforts To Develop A 'Universal' Flu Vaccine
St. Louis Public Radio
Where should you sit on a plane to reduce the risk of exposure to germs spread by infectious passengers? skaman306/Getty Images hide caption
The city of Wuhan, epicenter of the current coronavirus outbreak. Jia Yu/Getty Images hide caption
Employees of the Egyptian Quarantine Authority prepare to scan the body temperature of incoming travelers at Cairo International Airport. AFP via Getty Images hide caption
Why The World Cares More About The New Coronavirus Than The Flu
It's still pretty early in the flu season, but some states, including Texas and North Carolina, are already reporting the first influenza deaths, including at least 10 children. Most kids each year who die from the flu had not been vaccinated. SDI Productions/Getty Images hide caption
This colorized scanning electron micrograph shows human cells in a lab infected with "pink" influenza viruses. As many as 650,000 people each year die from flu, according to the World Health Organization. Steve Gschmeissner/Science Source hide caption
Babies of moms who are in the ICU with severe flu have a greater chance of being born premature and underweight. Nenov/Getty Images hide caption