Therefore, after the health code was changed to orange code, the first nucleic acid test was negative, and the second nucleic acid test turned green after 7 days.
Attention during the epidemic:
1, the so-called source of infection is COVID-19 patients or asymptomatic infected people. Because such patients can spread novel coronavirus, he exists in the crowd and is the source of infection. Once you find that you should be isolated, you can't continue to move in the crowd.
2. The route of transmission should be strictly controlled. The route of transmission in COVID-19 is mainly through respiratory droplets and contact, so it is necessary to disinfect the air and the surface of articles.
3. Protect vulnerable groups. On the one hand, protective masks should be worn to protect susceptible people, such as masks, goggles and gloves.