Influenza -highly contagious infection cuased by viruses

Influenza,commonly known as the flu, is an acute, highly contagious infection of the respiratory tract which commonly occurs in the winter, caused by influenza viruses.

Symptoms

Chills and Fever (usually high), severe headache ,tiredness (can be extreme),cough ,sore throat ,runny or stuffy nose ,body aches ,diarrhea and vomiting (more common among children than adults),muscle pains,fatigue,irritated watering eyes,nasal congestion,reddened eyes,skin,mouth,throat and nose, loss of appetite,weakness,ear pain.

Causes:

viruses is a much more severe disease and is caused by a different type of virus.They are:influenza A, B and C. Type A is responsible for the deadly influenza pandemics (worldwide epidemics) that strike every 10 to 40 years, whereas type B causes smaller, more localized outbreaks. Type C is less common and causes only mild symptoms. The influenza virus is generally passed from person to person by airborne transmission (i.e., sneezing or coughing.It may also be spread by touching something that has been handled by someone infected with the virus and then touching your own mouth, nose, or eyes. Influenza virus is spread by inhaling droplets that have been coughed or sneezed out by an infected person or by having direct contact with an infected person's secretions.

Treatment:

The most common human vaccine is the trivalent influenza vaccine that contains purified and inactivated material from three viral strains.Anti-flue medications is necessary. .Anti viral medications are neuraminidase inhibitors such as oseltamivir(Tamiflu) and Zanamivir(relenza) and M2 inhibitors(adamantanes) such as Amantadine and rimantadine are effective anti-influenza drugs .Two newer medications, Relenza and Tamiflu work on influenza subtypes A and B. Relenza is an inhaled powder, while Tamiflu is an oral medication

Prevention:

Influenza vaccination and infection control,good personal health and hygiene habits are effective in avoiding and minimizing influenza. Avoiding large crowds Wash your hands thoroughly and frequently, never pick up used tissues,never share cups and eating utensils,stay home from work or school when you're sick with the flu. Cover your mouth and nose with a tissue when you cough or sneeze.

Altrnative Treatment:

Drink lots of water to prevent dehydration,get plenty of sleep,Avoid alcohol,take acetaminophen or ibuprofen to relieve fever and aches, wear layers, since the flu often makes them cold one minute and hot.