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Influenza is a viral infection that attacks the respiratory system, including the nose, throat, bronchial and lung.
If you have the flu, you will feel unwell for several days, but you probably will not experience complications with other illnesses or you may require hospital treatment. If you have weak immune systems or chronic illness, flu can be fatal. For those with high risk of flu, the first defense was to shot / flu vaccine yearly.

Influenza Symptoms

In fact, flu like common cold with a runny nose, sneezing and swelling of the throat. But colds usually develop slowly, and flu came suddenly. Although colds can be a nuisance, you are usually more worried about the flu.
Some of the signs and symptoms that are common in flu:

• Fever more than 38 Celsius in adults, and often up to 39.5 Celsius to 40.5 Celsius in children.
• Hot and cold and sweaty.
• dry cough.
• Muscle pain, especially on the back, arms and legs
• Fatigue and weakness
• Nasal congestion
• Loss of appetite
• Diarrhea and vomiting in children
Influenza Causes

Flu viruses spread through the air when someone infected coughs, sneezing or talking. You can inhale the virus directly, or through an object such as a telephone or computer keyboard, and then menghantarkannya to the eyes, nose or mouth.
Flu is caused by three types of viruses – influenza A, B, and C. Type A causes deadly flu pandemic (an epidemic in parts of the earth) that strike every 10 to 40 years. Type B causes a pandemic with a smaller scale. Type A or B can cause flu every winter circulation. Type C is never associated with a major epidemic.
Type C is quite stable, but type A and B are constantly changing and posing new concerns for the community on a regular basis. Once you have the flu, the antibodies will suppress the cause, but will not protect you from viruses that had mutated. That is why doctors recommend a flu shot every year.
Influenza Risk factors

Increased risk of flu or can be complicated if you:
• Infants or children
• Aged over 50 years
• Have a chronic disease, like diabetes or janung disease, kidney disease or lung.
• Have a weak immune system, such as HIV AIDS.
• Pregnant when will the flu season
• Residents in the care center.
• Working in the care center.
• Regularly perform in close contact with infants or children.
Children who take aspirin for long periods can also increase the risk greater. The flu vaccine is safe for children aged 6 months or more. If your child is not at risk but to live with people who have that risk, you still have to give vaccine to your child. The way it will reduce the risk of your child is infected. Terimunisasi more people, fewer flu will spread in a community.

Prevention of Influenza

• Use a regular flu vaccination each year. The right time for vaccination is now before the peak of flu season. Need two weeks for the body to build the body’s immune system from the vaccine. Ask your doctor right time.
Keep in mind that the flu vaccine will not eliminate the risk of getting the flu, especially in adults. But this vaccine may reduce the risk of catching a cold. Based on the Centers for Disease Control and Prevention (CDC), if the current flu vaccine and the circulating flu outbreak near future, the flu vaccine will be effective between 70% to 90% to protect.
This is much less effective in adults. Health experts recommend vaccination in people over 50 years because the vaccine will reduce the risk of flu complications, hospital treatment and death.
• Cusi hand. Hand washing is the best way to prevent the common cold infections. Rub your palms at least 15 seconds, sabuni correctly and close the faucet using a paper towel. Or use gel alcohol-based hand sanitizers for at least 60 percent alcohol content.
• Eat right and sleep on a regular basis. Wrong diet and lack of sleep weakens your immunity and cause you more vulnerable to infection. Balanced diet with fresh fruits and vegetables, wheat or rice, and foods containing protein is the best for many people. Adequate and regular sleep is also necessary for healthy immune system. In general, adults are very good nights sleep for 7 to 8 hours. Children and adolescents need to sleep the night 9 to 10 hours.
• Exercise regularly. Cardiovascular train regularly – walking, biking, aerobics – improve your immune system. Exercise can not prevent infection, but if you have the flu, you will be less likely to develop severe and heal more quickly than people who do not fit.
• Avoid crowds during flu season. Flu spreads easily wherever people gather much – at care centers, schools, offices, auditoriums and public transportation. Avoid crowds during flu season will reduce the chance you are infected with the flu.

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