Covid-19 Testing: What You Need To Have To Know
The virus was confirmed to have spread to Brazil on 25 February 2020, when a man from São Paulo who had traveled to Italy tested positive for the virus. The disease had spread to each and every federative unit of Brazil by 21 March. On 19 June 2020, the nation reported its one millionth case and practically 49,000 reported deaths. Just after initially aiming to recruit 30,000 participants, Pfizer and BioNTech announce they will expand the phase three trial of…