Why are there so many asymptomatic infected people in Jinan?Here comes the authoritative interpretation

2022-05-20 0 By

According to a press conference on COVID-19 prevention and control in Jinan on April 5, the number of asymptomatic COVID-19 cases in the city has increased significantly. As of 24:00 on April 4, there were 6 local asymptomatic COVID-19 cases and 4 imported asymptomatic COVID-19 cases.Why are there so many asymptomatic infected people?Is an asymptomatic infected person contagious?Do you need medical attention?Jinan healthy liaison committee member of the party group, the leading cadre ChengChangHui introduction, asymptomatic infection on the one hand is the infection will be coronavirus, will be positive for coronavirus nucleic acid detection, on the one hand, no fever, sore throat, dry cough, fatigue, olfactory loss (taste) sleep can self perception or identification of the clinical symptoms and signs, also didn’t see pneumonia on CT imaging performance at the same time,Currently, it is impossible to diagnose a positive patient as a “confirmed case.”There are four main reasons for the increase of asymptomatic infected persons. First, it is related to the characteristics of omicron variant strains.As the Novel Coronavirus virus continues to mutate, the omicron strain, although spreading faster and more stealthy, is becoming less virulent and less virulent, and its clinical symptoms are relatively mild, resulting in many infected persons showing no clinical symptoms after infection.The second is related to mass vaccination against COVID-19.After vaccination, the body’s immune system is strengthened, and even if you are infected, relatively few symptoms may show up, so vaccination is still very effective.The third is related to early detection and control.The detection capacity of medical and health institutions has been rapidly improved, and through rapid early screening, some early infected persons have been quickly detected and detected before showing clinical symptoms.The more sophisticated nucleic acid testing is, and the faster and more meticulous screening and surveillance, the higher the probability of early detection of asymptomatic infected persons, and the more timely and effective control of the source of infection and cutting off the route of transmission.Fourth, it is related to the immunity of the infected object.Asymptomatic conditions are more common in younger people.Asymptomatic infected persons and confirmed cases are both infectious and sources of infection. They become infectious during the incubation period and become highly infectious within five days after onset of illness.The main route of transmission is via respiratory droplets and close contact. It can also be transmitted by aerosols in relatively closed environments and by contact with items contaminated with the virus.Therefore, in accordance with relevant national requirements, asymptomatic infected persons and confirmed cases are required to undergo screening and control of their close contacts and sub-close contacts, screening of high-risk groups, and control of corresponding sites.Asymptomatic infected persons do not need special treatment, but need centralized isolation and medical observation.Asymptomatic infected persons generally do not need treatment, but those with other underlying diseases need symptomatic treatment.At the same time, during the period of centralized isolation and medical observation, strict monitoring should be carried out, including routine blood tests, CT imaging examinations, nucleic acid tests and antibody tests.If symptoms or signs such as cough and fever start to appear later and the diagnostic criteria for confirmed cases are met, they shall be revised to confirmed cases in a timely manner and be treated as confirmed cases.(Sun Yewen, Wang Jian, dazhong Daily client reporter)