Avian influenza (birth flu) is a disease affecting the poultry; birds, ducks, geese, chickens, turkeys, etc. This disease tends to be contagious and transmitted itself not only occur among birds, but also infect humans. Bird flu caused by the H5N1 strain of avian influenza virus in poultry infected with the virus. In humans, there are only types of H1N1, H2N2, H3N3, H5N1, H9N2, H1N2, and H7N7. While the animals H1-H5 and N1-N98. A highly virulent strain / malignant and cause bird flu is of the subtype A H5N1. The virus can survive in water up to 4 days at a temperature of 22 C and more than 30 days at 0 C. The virus will die on heating 60 C for 30 minutes or 56 C for 3 hours and with detergent, disinfectant for example formalin, and liquid containing iodine.

Although avian influenza A viruses usually do not infect humans (rare), but it can happen when enough virus gets into a person’s eyes. It virus also has a very high mortality rate. Most often case happen after unprotected contact with infected birds or surfaces contaminated with avian influenza viruses. Need awareness of in high-risk groups (workers at a chicken farm, cutting the chicken and other poultry handlers products), taking into account the way of prevention.

Signs and symptoms in human: - Fever (temperature above 38 C)
- Cough and sore throat
- Inflammation of the upper respiratory tract
- Pneumonia
- Eye Infection
- Muscle ache

Incubation
- In Poultry: 1 week
- In Humans: 1-3 day infection period 1 day before until 3-5 days after onset of symptoms. In children up to 21 days.

Treatment for patients with bird flu is.
1) Oxygenation when there is shortness of breath.
2) hydration with parenteral fluid administration (intravenous).
3) The provision of anti-viral drugs oseltamivir 75 mg single dose for 7 days.
4) Amantadine given early in infection, as far as possible within the first 48 hours for 3-5 days at a dose of 5 mg / kg per day in 2 divided doses. When weight more than 45 kg were given 100 mg 2 times a day.

Source : cdc.gov/flu/avianflu/