What is the difference between influenza A and common flu?

this influenza A. Common flualso called seasonal influenza, is infectious respiratory diseases caused Different types of influenza viruses. Although symptoms are similar, there are some key differences between the two types of flu, so it’s important to know how to recognize them.

There are three main types of influenza viruses: A, B, and C. Influenza A It is caused by a type A virus and is known for its ability to affect disease. humans and different kinds of animals, including birds and pigs. This type of influenza has greater pandemic potential because its antigenic structure is capable of changes, such as mutations and recombination, creating new virus subtypes to which people have no immunity.

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on the other hand, common flu Refers Infections caused by influenza A and B viruses, in a seasonal context, like what we are experiencing in Spain these days. Type B viruses exclusively infect humans and generally have less impact than type A viruses, but they can also cause epidemics.

As for symptomboth types of influenza share similar clinical manifestations, including Fever, cough, sore throat, muscle aches, fatigue and general malaise. However, the severity and speed of onset of these symptoms can vary. usually, Influenza A symptoms tend to be more severe And the onset of the disease is more sudden than the common flu.

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To prevent influenza A and common influenza, Get vaccinated every year It is the most effective tool. Vaccines are formulated every year to protect against influenza viruses, which studies show will be most common next season. In addition, washing hands frequently, using tissues when coughing or sneezing, and avoiding close contact with infected people are other steps we can take to prevent contagion.

he treat With both types of flu, care is usually required, such as Hydrate and rest.They can also be used antiviral drugswhich works best if taken within the first 48 hours after symptoms appear, can shorten the duration of illness and help prevent serious complications.

People at risk for complications from both types of influenza include: The elderly, young children, pregnant women and people with weakened immune systems or chronic illness. In these people, influenza can cause pneumonia, bronchitis, sinusitis, and other serious respiratory infections.

For all this, it is crucial Epidemiological surveillance for early detection of influenza A cases, especially when new subtypes emerge that can cause a pandemic. Health authorities and health agencies, such as the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC), play a critical role in monitoring and responding to major outbreaks.