What does it mean to have flu A or flu B this season, and do these types of flu have the same symptoms? Here's what to know about the flu viruses. The two most common and most severe flu strains ...

Each year, seasonal flu sickens about 1 billion people worldwide and causes approximately 290,000 to 650,000 respiratory ...

But what does it mean to have a flu A or flu B season? Do these types of flu have different symptoms? And does one cause more ...

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Symptoms of a cold vs. the flu The flu and the common cold are both caused by a virus. The flu comes from one of four types of influenza viruses (A, B, C, and D), while colds may come from many ...

A doctor can usually tell if you have the flu based on your symptoms, especially if it’s ... getting vaccinated against both influenza A and B strains to prevent serious health complications ...

The study also showed that baloxavir marboxil demonstrated efficacy by reducing time to improvement of influenza symptoms ... 75.4 hours and 100.4 hours) and type B (median time of 74.6 hours ...