Infected people who do not show any symptoms can make a significant contribution to the transmission of SARS-CoV-2, the virus that causes COVID-19, given that they account for 40% of the population. confirmed infections around the world, according to a recently published study.
According to a study by prof. Min Liu from Peking University in China, people infected with COVID-19, who have no symptoms, can seriously complicate the fight against the epidemic. It turns out that up to four out of ten people infected with SARS-CoV-2 may not be aware of it.
‘These findings suggest that asymptomatic infections may significantly contribute to the transmission of the SARS-CoV-2 virus,’ said Prof. Min Liu.
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The researchers collected data from 77 previous studies involving a total of 19 people with confirmed SARS-CoV-884 infections. They found that among infected people in the general community about 40 percent. had no symptoms, as well as 54 percent. infected pregnant women, 53 percent. infected passengers traveling by plane or on a cruise, 48 percent infected residents of nursing homes or staff and 30 percent. infected health care workers, or hospitalized patients.
The total percentage of asymptomatic infections was around 46%. in North America, 44 percent. in Europe and 28 percent. in Asia.
– A high percentage of asymptomatic infections indicates a potential risk of transmitting asymptomatic infections to communities. They should investigate asymptomatic infections, and those who are identified should be isolated and contact traced, wrote Prof. Min Liu.
As the authors of the study suggest, it is extremely important in counteracting the epidemic to introduce restrictions and obligatory tests for travelers who unknowingly may transfer the disease to other countries.
– Screening and quarantine upon arrival at the airport are important to limit community broadcasts, especially in countries without local transfer – concluded Prof. Min Liu.
Do you want to test your COVID-19 immunity after vaccination? Have you been infected and want to check your antibody levels? See the COVID-19 immunity test package, which you will perform at Diagnostics network points.
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