Influenza A is more common and can infect various species, including humans, birds, and pigs, while influenza B primarily affects humans. Both influenza A and B are highly contagious and produce ...

B vitamins are a group of eight essential nutrients that play roles in many organs and bodily systems. They help with various functions, including creating energy from food, producing blood cells, and ...

There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious and have similar symptoms, including fever, chills, and body aches.

Having the flu is a lousy experience, regardless of the type you have. While news of a rough flu season ahead (spurred by subclade K) continues to make headlines, there are two main types of flu, A ...