China News Service, March 24th. According to the official Weibo news from Wuhan Internet Information Office, the Wuhan Municipal Health and Health Commission organized a provincial and municipal expert consultation on issues related to asymptomatic infection of the new crown virus that the citizens are more concerned about. Answers to concerns.
What is asymptomatic infection?
Answer: According to the "New Coronavirus Pneumonia Prevention and Control Plan (Sixth Edition)", asymptomatic infection refers to the absence of clinical symptoms (such as fever, cough, sore throat, etc.), respiratory pathogens, etc. New coronavirus etiology or serum specific IgM antibody test positive.
2. How do people with asymptomatic infection usually find?
A: Asymptomatic infections are found mainly through close contact screening, clustered epidemic surveys, and source-tracking surveys.
3. Is the asymptomatic infected person infectious?
Answer: Asymptomatic infection can also be a source of infection, with a certain risk of transmission. However, the World Health Organization believes that "based on available data, new coronaviruses are mainly transmitted by patients who have developed symptoms," so asymptomatic infections may not be the main source of transmission.
4. Why are asymptomatic infections not included in confirmed cases?
Answer: According to the definition of "New Coronavirus Pneumonia Diagnosis and Treatment Plan (Trial Implementation 7th Edition)", clinical manifestations are required for suspected and confirmed cases. Asymptomatic infection patients have no clinical manifestations, and need to be isolated for 14 days and further testing is needed to make a judgment. If an asymptomatic person develops symptoms during quarantine, they are reported as a confirmed case and published.
5. Will asymptomatic infections develop into confirmed cases?
A: A small number of asymptomatic infections may progress to confirmed cases, but the vast majority will heal on their own.
6. How to deal with asymptomatic infection?
Answer: According to the "New Coronavirus Pneumonia Prevention and Control Plan (Sixth Edition)", asymptomatic infections should be concentrated and isolated for 14 days. After the quarantine period, in principle, two consecutive specimens with negative nucleic acid test (in principle, the sampling interval should be at least 24 hours ) To release isolation. Symptoms occurred during quarantine and were admitted immediately.
7. How can individuals prevent the risk of infection from asymptomatic infection?
Answer: For the general population, measures such as wearing a mask, keeping a distance, washing hands frequently, and not gathering are the most effective means of protection.