The incubation period of corona virus is 5.2 days

The latest research by Chinese scientists shows that the average incubation period of corona virus is about 5.2 days and the number of new infections has doubled every 7.4 days.

According to AFP, the study is published in the New England Journal of Medicine (NEJM). The team said this conclusion was analyzed from the medical data of 10 patients. Earlier, the latest study released on January 27 showed that the incubation period ranged from 2-10 days before the onset of symptoms such as fever, cough, shortness of breath, and acute respiratory failure .

Picture 1 of The incubation period of corona virus is 5.2 days
The incubation period ranges from 2-10 days before the onset of symptoms such as fever, cough, shortness of breath . (Photo: AFP).

The researchers also followed the first 425 patients infected with the corona virus to establish two different basic characteristics of the outbreak. Thus, since it first appeared in Wuhan in December 2019, the number of corona virus cases has doubled every 7.4 days.

They also estimated that each infected person later infected an average of 2.2 others. Although acknowledging this estimate is "inaccurate" for each patient, experts say the new finding will support a 14-day medical observation period for those exposed to the pathogen. This number does not predict how big the disease will eventually be, but it is also a useful measure for scientists.

In this case, its infection rate was much less than that of measles (one person infected 12 people) and the SARS epidemic (1 person infected 3 people in 2002-2003). The team also found that human-to-human transmission has occurred between close contacts since mid-December 2019.

In addition, among the first 425 patients, 50% were patients over 60 and none of them were under 15 .

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