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In the case of COVID-19, having everyone wear masks—as the new CDC guidance recommends—may reduce the spread of the virus by people who are infected but not experiencing symptoms, said Donald K. Milton, M.D., Dr.P.H., a professor of environmental and occupational health at the University of Maryland in College Park. “The argument is that since anyone can be infected without knowing it and spread the infection, that everyone should wear masks,” Milton said. “In the U.S., where we are not prepared to test rapidly and aggressively trace and quarantine all contacts, surgical masks could be helpful.”
This Coronavirus (COVID-19 ) test kit is produced by a Chinese company and has been approved by China’s CDC. It has been widely used in China. It is currently exported to Southeast Asia and European countries and is favored by many hospitals and individual users. We recommend this COVID-19 test kit for you. It has good testing performance and competitive prices. This is one of the effective methods to control Coronavirus. See more details on Coronavirus test kit.
The serology test will look for the presence of antibodies, which are specific proteins made in response to infections. Antibodies can be found in the blood and in other tissues of those who are tested after infection. The antibodies detected by this test indicate that a person had an immune response to SARS-CoV-2, whether symptoms developed from infection or the infection was asymptomatic. Antibody test results are important in detecting infections with few or no symptoms.
Even manufactured surgical masks and N95 respirator use can be tricky for people who aren’t trained and used to them. In fact, healthcare workers must take an annual test (PDF) to prove that they can properly fit and seal an N95 mask. While some experts say wearing a homemade or purchased mask may help you remember not to touch your face, others note that they can be uncomfortable, leading wearers to adjust them often. Or you might take a mask off to eat or drink, then put it back on afterward. That defeats the purpose, said McClelland at Vital Strategies. “People contaminate themselves more by touching the mask and taking it on and off their face.”
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