According to him, the duration of "virus isolation" usually depends on the severity of the disease.
“Several studies have shown that in mild to moderate severity, the virus is usually shed about ten days after the onset of symptoms.
With a severe course of the disease, the duration of virus isolation can be up to 20 days, "Chulanova quotes TASS.
As the specialist noted, in rare cases, a positive test result for COVID-19 can be detected up to two months.
Earlier, Rospotrebnadzor noted that an infected COVID-19 is maximally contagious two days before the onset of symptoms and on the first day of the disease.