Will COVID-19 be contagious after recovering Yang? Why do you want Yang back?

1 Is it contagious after recovering Yang? Very few people may be infected.

Fuyang, COVID-19 refers to the phenomenon that the patients diagnosed in COVID-19 are cured and discharged, and the nucleic acid test is positive again. However, it is impossible to judge whether Fuyang, COVID-19 is infectious, because COVID-19's nucleic acid test is positive, which only means that COVID-19's nucleic acid fragment can be detected in the sample, but it is not clear whether the virus fragment is active, so it is impossible to judge whether the nucleic acid positive person is infectious.

Therefore, it is necessary to conduct a comprehensive study on the infectivity of those who are re-tested positive in COVID-19 according to the experimental results of pathogenic virus isolation and culture and the results of epidemiological investigation.

2 Why did COVID-19 Fuyang 1 appear? There are many different mutant strains in COVID-19 with different virus characteristics, and different strains have different effects on human body. It is not excluded that some highly contagious strains may recur.

2. The decline of immune function Whether COVID-19 can be completely eliminated depends more on its own resistance. If the self-resistance is low, it may lead to insufficient elimination of COVID-19 in the body, which will only lead to recurrence.

3. False Positive or False Positive of Nucleic Acid Although nucleic acid detection can detect the existence of COVID-19, the result may also be false negative or false positive, which is related to many factors such as sample collection, sample processing and sensitivity of the kit.

4. After the virus reinfects the human body, it can produce corresponding antibodies, which can play a protective role after a period of treatment, but this protection time is limited, so the cured patient may reinfect, and if reinfected, the nucleic acid test will be positive.

When did you recover from Yang? 4~ 15 days after discharge.

According to the data of all relapsed patients in COVID-19 at present, most relapsed patients in COVID-19 will appear nucleic acid positive within 4~ 15 days after discharge. However, the number of days after discharge of these recurrent patients is quite different from that of all confirmed patients in COVID-19, so the specific number of days will be affected by many factors, such as testing methods, testing crowd types, testing duration, sample types and so on.

4. It is ok to contact with people who have recovered from new coronary pneumonia and have negative tests.

The recurrence of COVID-19's disease means that patients with COVID-19's disease show positive reaction after receiving nucleic acid test again. Whether they are associated with COVID-19's recurrence depends on whether the recurrence is specific. If the recurrence is caused by secondary infection and incomplete virus removal, it will be contagious at this time. On the other hand, if it is caused by false positive and insensitive nucleic acid detection, it is not contagious.

However, if the nucleic acid test is carried out in time after contact, the monitoring of one's own health status shows that the nucleic acid test result is negative and the health status is normal, so it can be said that there is no problem.