What is influenza

summary

In winter, when influenza occurs frequently, children and the frail elderly are easily infected with influenza. Influenza is also a word we often mention. Now I'll share with you what influenza is.

What is influenza

First, influenza is an acute respiratory infection caused by influenza virus. It is also a disease with strong infectivity and rapid transmission. It is mainly transmitted through droplets in the air, contact between people or contact with contaminated objects.

Second, the typical clinical symptoms are: acute high fever, general pain, significant fatigue and mild respiratory symptoms. Generally, autumn and winter is the high incidence period, which causes serious complications and death. The disease is caused by influenza virus, can be divided into a (a), B (b), C (c) three types, a virus often occurs antigen mutation, infectious, spread rapidly, easy to occur large-scale epidemic.

Third, it is caused by influenza virus, which is heat-resistant, inactivated at 100 ℃ for 1 minute or 56 ℃ for 30 minutes, sensitive to common disinfectants (1% formaldehyde, peracetic acid, chlorine containing disinfectant, etc.), sensitive to ultraviolet light, resistant to low temperature and drying, and can survive under vacuum drying or - 20 ℃. Among them, influenza A virus often occurs antigen mutation, infectious, spread rapidly, and prone to large-scale epidemic.

matters needing attention

Seasonal influenza has a strong human to human transmission ability, and active prevention and control is more important than limited effective treatment measures. Keep the indoor air circulation, avoid going to the crowd gathering place during the epidemic peak, and use paper towel when coughing and sneezing to avoid the spread of droplets. Wash hands thoroughly and often to avoid touching mouth, eyes and nose with dirty hands.