Symptoms usually come on suddenly, according to the CDC, and can include fevers above 100.4 degrees F, dry cough, sore throat, runny nose, body aches, headaches, chills and occasionally nausea, ...

Scientists were slow to recognize that Covid spreads through the air. Some are now trying to get ahead of the bird flu.

Poland recorded over 2,600 cases of whooping cough and more than 16,000 infections with respiratory syncytial virus (RSV) in ...

Image: Michael M. Santiago/Getty Images A Louisiana ... Two pandemics have been declared in the past 16 years (COVID in 2019 and H1N1 swine flu in 2009). Concerns that H5N1 variants may mutate ...

7.“A few months after getting H1N1 flu, I started sleeping for very long periods of time (up to 20 hours, sometimes two days ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea and nausea, especially among children. As with COVID-19, some people also ...

Different combinations of these give rise to the influenza A virus subtypes, including the H1N1, H2N2 and H3N2 subtypes that ...

The authors are grateful to the Council of Scientific and Industrial Research (CSIR-CCMB), India, for encouragement and support for this work. NIH Awards (R37DA025576; R01MH085259) also support SK ...

1978-1997 (group 3 [G3]; n = 40; mean age, 35.1 years), likely primed by A(H3N2) and A(H1N1) reemergent viruses. A serum sample was obtained at three timepoints from each vaccinated individual ...