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Which four-piece epidemic refers to?

Wear a mask, wash your hands frequently, watch a meter, and be ventilated frequently.

according to the requirements of epidemic prevention and control, educate, guide and help children to enhance their awareness of epidemic prevention and improve their necessary preventive ability. Develop good habits of washing hands frequently, paying attention to hygiene, exercising properly and working regularly. Those who return from key epidemic areas or overseas should take the initiative to report to schools and communities in advance.

Strengthen the education of electricity safety, and don't touch electrical appliances, wires and power sockets casually; In the event of an electric shock accident, those who don't directly push and pull the electric shock by hand should cut off the power supply at the first time, or use dry and non-conductive bamboo poles and other objects to pick up the wires.

keep good eating habits and don't overeat. Pay attention to food hygiene, do not eat expired and deteriorated food, and prevent food poisoning. Pay attention to personal hygiene, wash your hands before and after meals, and eat less fried and fried food.