See t.ly/efk1 — In December 2019, a severe case of pneumonia of unknown etiology appeared in Wuhan, China. Three months later, the highly contagious coronavirus disease, Covid-19, was declared a pandemic. Covid-19 is caused by a novel coronavirus SARS-CoV-2, that in March 2021 has infected more than 120 million people worldwide and killed more than…
Shedding UVC light on Covid-19 to protect dentistry staff and patients
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