Wednesday , November 25 2020

A new study has revealed when people with kovid-19 are most infectious



People who are positive for kovid-19 are likely to become highly infectious in the first five days after they develop symptoms, a new study confirms, emphasizing the need for rapid isolation.

Research published in the Lancet also suggests that asymptomatic people can remove the virus from their body more quickly and become infectious in less time.

In the first systematic review of its kind, the researchers analyzed data from 98 previous studies on the transmission of coronavirus infections.

The researchers compared their findings on covid-19 with two other types of coronavirus to better understand why covid-19 has spread so quickly. They found that viral load (the amount of virus detected in the body through the different stages of infection) of SARS-CoV-2 (the virus that causes covid-19) peaks in the upper respiratory tract early in the course of the disease , between the onset of symptoms and the fifth day.

This is important because the virus in the upper respiratory tract is considered to be the main source of transmission. By comparison, the viral load for two other types of coronavirus (SARS-CoV and MERS-CoV) peaks later – between 10 and 14 days and 7 and 10 days, respectively – providing more time for symptom identification and quarantine, HuffPost reports.

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