What is influenza?
Influenza is a disease of old people and other animals (birds, pigs …) and that causes epidemics every year, mainly during the winter months. This disease is different types of viruses that also can be combined between them to form a new flu.
Influenza is highly contagious and is spread easily from person to person through respiratory droplets or secretions that ousted the talking, coughing or sneezing.
Symptoms
Recognizing this condition is easy, because it behaves like the flu either. Consider ratifying it if it suddenly had:
* 1. At least one of these four symptoms:
Fever over 38 ยบ C.
or malaise.
or headache.
or muscle aches.
* 2. And besides, at least one of these three symptoms:
Cough.
or sore throat.
o Difficulty breathing.
Occasionally they can appear nausea and vomiting.
Every so often the virus can change into many different types from those that existed in previous years and compared to that, being new, we have no defense for what is spread far more people than usual. Everyone can get.
Throughout history there have been several pandemics, such as the 1918 Spanish flu. The pandemic caused many deaths were not available because of health systems with which we now have and I had a high virulence.
The current pandemic is caused by a new subtype of influenza A (H1N1), and so far has a mild, although this could change over the months.
Seasonal Flu
Seasonal influenza is presented each year during the winter months. Every year people die because of complications caused by it and therefore it is recommended to get vaccinated persons are more likely to suffer complications.
This year also is expected to be seasonal flu. Many people are already protected by defenses have generated in previous years. However, as every year, has developed a vaccination campaign targeting the usual population groups.
