Is Coronavirus Reinfection Possible And How?; Hong Kong Scientist, Dr Kelvin Kai-Wang To Explains

A 33-year-old man in Hong Kong was reinfected with the virus that causes Covid-19 after recovering from the disease. This is the first documented case of reinfection, and researchers at the University of Hong Kong used genomic sequence analysis to conclude that he was infected by two different strains. Dr Kelvin Kai-Wang To, the microbiologist who led the work, believes there may be more such cases. The World Health Organization has warned against jumping to conclusions based on this single case.

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#askHKUMed on COVID-19: How long will the virus survive in the droplets without reaching a new host?

Professor John Nicholls from the Department of Pathology explains that the survival of the virus in droplets depends on factors such as temperature, surface, and environmental conditions. The virus is temperature sensitive and can survive for weeks at 4°C, five days at 25°C, one to two days at 35°C, and 30 minutes at 56°C. This information is useful for understanding the spread of the virus and for disinfecting personal protective equipment.

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#askHKUMed on COVID-19: What is THE ONE THING you would want US to do in the next 3 days?

The most important thing is to take the epidemic seriously and ensure proper personal protection. Every American should be informed about proper personal protection, including wearing masks, hand hygiene, and social distancing. If experiencing any respiratory symptoms or fever, individuals should stay home, wear a mask, and distance themselves from family members. The virus can survive in the environment for many days, so it is crucial to take the situation seriously and think about the well-being of others, especially the elderly and those with underlying medical conditions.

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