Clinics (Sao Paulo). 2021;76:e3218.
Lock or Down: Effectiveness of Isolation Measures Against COVID-19
Dennis Minoru Fujita
, Luiz Henrique da Silva Nali
, Felipe Scassi Salvador
, Expedito José de Albuquerque Luna
DOI: 10.6061/clinics/2021/e3218
According to the World Health Organization (WHO), in June 3, 2021, there were 171,292,827 confirmed coronavirus disease (COVID-19) cases and 3,687,589 deaths. In addition, by June 2, 2021, a total of 1,581,509,628 vaccine doses had been administered worldwide ().
Currently, there is no specific drug for effective and final treatment. Existing vaccines may not be effective against some variants of severe acute respiratory syndrome coronavirus 2. However, vaccine uptake is still low in most countries, and we are not sure whether the available vaccines will be effective for the new variants or new ones that might come to eventually reach a herd immunity threshold ().
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