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| Photo by Edward Jenner from Pexels | Research: Symptoms do not appear in one of three patients with COVID-19 |
One-third of people with coronavirus disease covid-19 do not show symptoms, but in the meantime they can pass it on to other people. According to media reports, this was revealed in a new medical study in the United States. In this Scripps Research study, after analyzing 61 medical research reports involving more than 18 million people, it was discovered that at least one out of every 3 people affected by covid-19 did not show any symptoms. Research published in the medical journal Annals of Internal Medicine analyzed research reports published worldwide by November 2020. Research reports of the 43, PCR testing was measured, while 18 used antibody testing, and new research combines all of their data. The data proved that one third of the people in the tests who showed the virus had never experienced symptoms. Experts say that such data shows the importance of testing patients without symptoms. Large-scale testing can more effectively prevent the transmission of the virus to healthy individuals without symptoms, he said. The research said that Covid-19 prevention strategies need to be changed and the risk of spreading it to patients without symptoms should be taken into account. Researchers say vaccines are being introduced worldwide, but their efficacy needs to be determined to prevent the spread of non-symptomatic patients. Prior in January 2021, a new report by the US Centers for Disease Control and Prevention announced that around 60% of instances of the Covid-19 are contaminated with people whose symptoms do not appear. A model was developed for this, according to which 59% of cases are caused by people without corona-related symptoms. 35% of these new cases are brought about by individuals who send the infection to others before side effects show up while 24% are brought about by individuals who have never had manifestations. JC Butler, deputy director of the CDC's epidemiological department and involved in research, said: "To control the outbreak of Cod 19, it is important to prevent those who spread it silently. With the use of face masks, hand washing and social distance, the spread of new Corona virus can be slowed down, at least until vaccines become widely available, he said.
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