Flu is about.

As acute respiratory infection which caused viruses of A,B,with an acute beginning, intoxication, fever, and breath system, as on epidemic flu having till 70 percent of humans, as a source is patient, in cough, sneeze,and speech till 7 day since disease, healthy person catching by air dropsy way, but after immunity is stable just to pod type of virus, incubation is short time till 12-48 hours.
Symptoms are chill, high temperature, body aching, weakness,sweating,aches in head,eyes, tearing, light fearing,dry cough, ache throat, loosing voice, breast aches, hypotonia, as on hard stage, complications are antritis, otitis.
AS IN the groups of risks are children's, adults, in heart defect, ishemia, hypertension, asthma, bronchitis, emphysema.
As flu is contagious, call a doctor,stay at home.

As at hospital a timely diagnosis is importance against complications,with x ray for lungs, ECG in breast behind aches, on between epidemic are fluorescence antibodies, virus in nose, antibodies in the blood.

At home isolation in other room,mask with, fresh air, cleaning, individual dish, towel, use remedies,diet, in complications, hard course is doctor Will hospitalize you.