Recently, medical experts from Singapore have issued a warning to the world, there may be a new virus called " SARS-CoV-3 " transmitted by humans to bats. This virus is assessed to affect not only humans but also animals.

Recently, medical experts from Singapore have issued a warning to the world, there may be a new virus called " SARS-CoV-3 " transmitted by humans to bats. This virus is assessed to affect not only humans but also animals.

Professor Wang Linfa from Duke University - NUS said at the Asean Digital Public Health Ministerial Conference that: "This infection phenomenon is called reverse-zoonosis, which means is that the virus will be transmitted from person to animal, instead of from animal to human as before.

Currently, most experts believe that the nCoV virus is present in bats in Asia. It is transmitted to an intermediate animal, and then to humans. In particular, the source of infection came from the Wuhan seafood market area, China. Professor Wang said: "Currently, the disease is spreading widely and spreading rapidly in human communities around the world. And what could happen next is that the virus can be transmitted from person to animal."

There have been many recorded cases of animals being infected with nCov from humans, of which the most common are pets infected with nCoV from their owners. Therefore, "it would be worrisome if humans could transmit Covid-19 to new hosts, which would inadvertently create natural reservoirs of the virus." Experts have proposed a number of theories about how humans can transmit the virus to animals, indirectly through food left by sick people.

Currently, Mr. Wang and his colleagues successfully cultured the nCoV virus and made Singapore the third country after China to do this. He said: "Bats have a very special immune system. They can maintain a certain amount of virus in the body, keep it at a safe level without developing disease. However, the amount of virus is available in the body. However, the virus can still mutate and be transmitted to animals X, Y or Z. So when this mutated virus is passed on to animal X. , Y, Z and spread to humans, we will get X, Y, Z disease strains or called Sars-CoV-3”.

Each time a virus spreads between species, they undergo certain genetic changes to adapt to a new host. The more it spreads, the more the virus mutates.

Therefore, in order to be able to prepare and deal with a new wave of more dangerous diseases that may occur in the future, Prof. Wang suggested:

- Censorship and review of viruses circulating in different animals, especially those that are traded and consumed frequently.

- Make a plan to assess the risks that the new virus can leave as well as plan countermeasures to prevent the spread of the virus.

- Health professionals need to be vigilant about serious and unusual infections because it could be the first sign of a new virus strain.

- Finally, develop a vaccine and find a suitable treatment.

Currently, he and his colleagues are developing a separate vaccine for future booster injections, which is expected to be effective against new strains that will emerge.
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