Chinese scientists have confirmed that the coronavirus can transmit the affected person to others without showing symptoms.
This is the first solid evidence that supports the notion that the new nasal coronavirus can transmit to an infected person without the symptoms appearing, and preventing its spread will prove to be a major challenge.
The 20-year-old woman from Wuhan transmitted the virus to five members of the family while she was never physically ill.
Researchers say the 20-year-old woman was examined at a hospital in a nearby hospital, who was not physically ill, although her family had fever and 2 had severe pneumonia.
Virus transmission without the symptoms on the part of the woman appears to be unusual, but experts have seen other cases in which the virus does not show any signs of infection.
An analysis of all the cases reported in China from December 8 to February 11 in the report by the Chinese Center for Disease Control and Prevention found that coronavirus was confirmed in 1.2% of people without symptoms.
Anchor Style Diamond Prince Cruise Ship on the coast of Japan did not show any symptoms in 322 affected people out of 621.
The 20-year-old woman was a resident of Wuhan, the city from which the virus began to spread, but went to Aanyang city on January 10, and three days later, she and 5 of her family went to a hospital to care for a sick person. Were.
On January 17, a family member suffered a fever and sore throat, while the next week, the other 4 also had symptoms of fever and respiratory problems, all admitted to Fifth People's Hospital on January 26. Done.
When doctors performed the initial tests for the Coronavirus in this woman, the results were negative, her CT scan was normal, but a day later the virus was confirmed even though it did not show any symptoms.
Until February 11, the woman had no fever, cough, sore throat or any other symptoms.
Doctors said the duration of the symptoms was 19 days, although earlier it was estimated that the time to appear for the virus is between one to 14 days, recent research indicates that it is up to 24 days. Can be
It is thought that more than 78,000 people have been affected by Coronavirus in 30 countries including China so far and more than 245 have been killed.
So far most cases of the Coronavirus have been mild and in Germany, a case has been reported recently, in which a 33-year-old German man transmitted the virus to at least 2 people without showing any symptoms.
But before this new case, scientists were unable to say with certainty that people could transmit the disease to Cod-19 without showing symptoms, but now they say it is possible.