Winter is coming, and the weather is getting colder and colder. If you are a doctor, write an English composition on how to prevent colds.

Experts suggest that we should pay attention to indoor window ventilation at ordinary times, keep the air fresh, and reduce the popular outdoor activities in seasons. The elderly, the infirm and children should avoid crowded public places as much as possible, and vinegar can be used for indoor air disinfection and fumigation. Vaccination against influenza is the best way to prevent influenza and the most effective and economical measure to fight influenza in the world. The elderly over 60 years old, the chronically ill and the infirm; Infants and students; Medical care; Public transportation, commerce, services and personnel are concentrated in units with more personnel; Personnel in more important positions such as government agencies, enterprises and institutions are the key prevention groups for vaccination, and should be vaccinated with influenza vaccine in time before the epidemic season.

1. Personal protection 1. Nose washing method: add a mixed solution equivalent to water with vinegar, and use it in the mouth and throat after it is warmed.

Rinse, and then wash your nose with the remaining vinegar, one day earlier, the first night, five days during the MS epidemic.

2. space disinfection method: this method is suitable for family houses, mixing vinegar and water, spraying,

Spray disinfectant after the doors and windows are closed before rest at night. Or build a new house in every cubic meter of space to spray the original 2-5 ml of vinegar.

Old houses should be disinfected once a day at a dosage of 50- 100 per milliliter, and sprayed three times in severe epidemic or family.

When patients appear, the amount of vinegar should be increased to150-250ml per room.