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As of 23 March 2020, more than 1.2 billion learners were out of school due to school closures in response to COVID-19. [8] Given low rates of COVID-19 symptoms among children, the effectiveness of school closures has been called into question. [13] Even when school closures are temporary, it carries high social and economic costs. [14]
Authorities have encouraged or mandated social distancing during the COVID-19 pandemic as it is an important method of preventing transmission of COVID-19. [citation needed] COVID-19 is much more likely to spread over short distances than long ones. COVID-19 can spread over distances longer than 2 m (6 ft) in enclosed, poorly ventilated places ...
By late November 2019, coronavirus disease 2019 had broken out in Wuhan, China. [2]As reported in Clinical Infectious Diseases on November 30, 2020, 7,389 blood samples collected between December 13, 2019, and January 17, 2020, by the American Red Cross from normal donors in nine states (California, Connecticut, Iowa, Massachusetts, Michigan, Oregon, Rhode Island, Washington and Wisconsin ...
The authors came to the conclusion that no further trials of hydroxychloroquine or chloroquine for treatment of COVID-19 should be carried out. [58] On 26 April 2021, in its amended clinical management protocol for COVID-19, the Indian Ministry of Health lists hydroxychloroquine for use in patients during the early course of the disease. [23]
This registry based, multi-center, multi-country data provide provisional support for the use of ECMO for COVID-19 associated acute hypoxemic respiratory failure. Given that this is a complex technology that can be resource intense, guidelines exist for the use of ECMO during the COVID-19 pandemic. [85] [86] [87]
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For a point source, the exposure rate will be linearly proportional to the source's radioactivity and inversely proportional to the square of the distance, [32] F = Γ×α / r 2 where F is the exposure rate, r is the distance, α is the source activity, and Γ is the exposure rate constant, which is dependent on the particular radionuclide used ...
Fishel said that she did not undergo surgeries or chemotherapy outside of her radiation treatment, and that she will now start Tamoxifen, a medication that can help reduce breast cancer ...