WHO researchers said that the new coronavirus can survive up to 7 days on medical surgical masks, and that the virus on paper products can die as soon as 3 hours.
A study conducted in Hong Kong showed that infectious new coronavirus still exists on the outer layer of medical surgical masks after 7 days of discarding.
American researchers said that after 24 hours, no new infectious coronavirus could be detected on the carton, which means that the risk of receiving express mail is relatively low. The virus on paper prints, including newspapers, died within 3 hours.
The World Health Organization revealed today that patients with new crown pneumonia are unlikely to contaminate goods, including packages transported by courier companies. The risk of new coronaviruses is very low. "
Earlier research by University of Hong Kong researcher Alex Chin and colleagues found that the new coronavirus remains stable for long periods at temperatures of 4 ยฐC (39.2 ยฐF). Without killing treatment, the virus sizing is still very high within 7 days at room temperature but will be eliminated after 14 days.
When the temperature rises to 37 ยฐC (98.6 ยฐF), the viral load will gradually decrease within 24 hours and will not be detected afterwards. When the temperature rises to 56 ยฐC (132.8 ยฐF), the virus is no longer infectious after 30 minutes; when the temperature rises to 70 ยฐ C, it only takes 5 minutes for the virus to lose its infectivity.
Earlier today, virologist George Lomonossoff told the BBC that the printing and production process meant that newspapers were "substantially sterile", and as a result, people were infected with the new crown by exposure to newspapers the risk of the virus is quite low.
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