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In November 2002, a virus known as SARS-CoV was identified in Guangdong, China, and it was implicated as the etiology of severe acute respiratory syndrome. Seventeen years later, in the same month of November, a similar disease with more dramatic outcomes was identified in neighboring Wuhan. It has been six months since the identification of first cases of COVID-19 pandemic; however, unveiling clinical characteristics and modes of transmission of the disease are taking longer than expected. This overview aims to highlight some important points regarding the mode of transmission for which continuously surprising facts are being revealed every day. We also raise some vital questions to alert the scientific community to find the right answers and minimize the drastic fatal outcomes of this disease. It can be stated that SARS-CoV-2 could be transmitted as aerosol infection as well as through contacting infected surfaces. The possible role of abdominal gases as a route of spread of the virus should be considered and a fecal sample might be a useful diagnostic tool. Moreover, medical face masks are not protective from virus transmission during treating COVID-19 patients in settings where aerosol-generating procedures are performed. Doffing of PPE for healthcare workers needs more attention as this might be a source of infection unless additional measures of PPE disinfection are employed before doffing.
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Pesqui._Bras._Odontopediatria_Clin._Integr.
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Getting to know sars-cov-2: Towards a better understanding of the factors influencing transmission
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