What is influenza A, the type of flu making people so sick right now?
The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the ...
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Behind the sneeze and cough: What is influenza and how you can keep safe
Influenza is a highly contagious viral infection that affects the respiratory system. Although often dismissed as a seasonal ...
Flu season in the US is the most intense it's been in at least 15 years
The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor's office visits driven by flu-like symptoms ...