The seasonal flu and its symptoms

Every year there is an outbreak of influenza that small localized epidemics door, and every year there is a risk to make the pandemic outbreak. The flu is responsible for millions of patients each year and can cause the death of hundreds of thousand. The real cause of death from influenza is not only due to respiratory infections, but other complications as well. For this reason, the protection against influenza are essential to contain allOutbreak.

The flu is seasonal, with peak times between December and February, depending on location. It may be smaller peaks throughout the year as well. Influenza vaccines are 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 absence from work is remarkable. Any method of prevention of influenza will help thesocio-economic burden of this disease and its complications imposed.

The flu virus is everywhere and, unfortunately, is always changing itself, to survive. are different strains of influenza virus may mutate and each in a different way than it usually dominate every season. That is why flu vaccines are changed every year more to hedge the dominant strains. Unfortunately, because scientists do not know and can only guess whatThe most common strain of influenza virus vaccine each year is the right one can be very difficult.

The primary symptoms of flu include high fever with chills, dry cough, muscle aches, fatigue, headache, runny nose and sore throat. Often these symptoms are enough to make the diagnosis of influenza, especially if they occur during the influenza season, and has an established outbreak. But some of these symptoms are similar to otherRespiratory infections, which can confuse the diagnosis. The distinction between them can be difficult, but important because they affect the treatment.

The common cold is the most common viral infection of the respiratory tract. With a cold, people experience sneezing, runny nose, cough, sore throat and headache (usually made of hard coughing or sneezing). If severe enough, can cause the common cold infections of the sinuses. Those who can develop a sinus infection with sinus headache Tenderness around the breasts and greenish mucous.

bacterial and viral infections occur with severe pneumonia. Those who are suffering from fever and pneumonia usually cough with green mucus, or it is a very dry cough, but may be of production. The chest radiograph 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 tractThe symptoms> such as sneezing or a runny nose or sinus symptoms. They often complain of headaches, muscle aches and feeling run-down.

Reporting on the signs and symptoms of many complex issues. These include psychosocial factors. Depression and negative emotions often lead people to see their symptoms as indicative of the disease more severe, their presentation can appear worse than it really is. On the other hand, those withRespiratory diseases such as asthma and COPD, often mistakes of their respiratory diseases such as exacerbation of airways.

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