Flu symptoms:
1 - a rise in temperature.
2 - runny nose.
3 - pain in the joints.
4 - Headache.
Source of infection:
Respiratory secretions of the patient and transmitted to a healthy person through respiratory tract.
Methods of prevention of influenza:
1 - not the patient's use of tools.
2 - not to visit patients.
3 - stay away from crowded places.
4 - renewal of the air in the gathering places.
5 - taking the protective serum.
