seasonal flu and its symptoms

Every year there is an outbreak of influenza that results in small local outbreaks, and every year there is a risk that transform a pandemic outbreak. The flu is responsible for millions of illnesses and can lead to death hundreds of thousands each year of. The real cause of death from influenza is not only due to respiratory infections, but other complications as well. For this reason, protection against influenza is always essential, do not includeOutbreak.

Influenza is seasonal, with peak season from December to February, depending on location. It may be smaller peaks throughout the year, as well as influenza vaccines produced. Annually and distributed in the fall to prepare for flu season.

Influenza causes a heavy burden on the healthcare system each year. Moreover, the economic costs due to lost work is remarkable. Any method of preventing influenza is to reduce thesocio-economic burden of disease and its complications result.

The influenza virus is everywhere, and unfortunately it is always changing itself, to survive. There are several strains of flu virus and mutate in different ways each can. Usually dominate every season. For this reason, the flu vaccine change from year to year to meet the increasingly dominant strains. Unfortunately, because scientists do not know and can only imagineStrain of flu virus each year is more likely to find the right vaccine can be very difficult.

The main symptoms of flu are high fever with chills, dry cough, muscle aches, fatigue, headache, runny nose and sore throat. Often these symptoms are sufficient to diagnose the flu, especially if they occur during the season, influenza, and an outbreak is established. But these symptoms are similar to some otherRespiratory infections, which may confuse the diagnosis. The distinction between them can be difficult, but essential, as it affects treatment.

The cold is the most common viral respiratory infection. With a cold, man is sneezing, runny nose, cough, sore throat and headache (usually made of hard coughing or sneezing). If severe enough, can cause the common cold to sinus infections. Those who have sinusitis, sinus headaches can have with the development Tenderness in the breasts and green mucus.

bacterial and viral infections occur with severe pneumonia. Those who usually have a productive cough with fever and pneumonia green mucus, or it can be a very dry cough, but not production. Chest radiography may be useful in diagnosing pneumonia.

influenza infections may present with a combination of respiratory symptoms that overlap with others, but usually with the flu that have fewer upper respiratory tract> The symptoms such as sneezing or a runny nose or sinusitis symptoms. They often complain of headaches, muscle aches and the feeling of being down about.

Reporting signs and symptoms are complicated by many issues. Among these psychosocial factors. Depression and negative emotions often lead to symptoms of the disease see their people as an indication of a more serious, so their presentation may seem worse than it really is. On the other hand, theRespiratory diseases such as asthma and COPD, often confuse their respiratory diseases such as exacerbation of airways.

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