RIO DE JANEIRO, BRAZIL - Test, test, test. That was the recommendation of the Director General of the World Health Organization (WHO), Tedros Adhanom, in a speech this month on how countries could best fight the spread of the Covid-19, a disease caused by the novel coronavirus.
Worldwide, tests to detect the presence of the virus in humans are lacking. As not all people with symptoms can be diagnosed, WHO believes that there is underreporting of cases in many countries.
In order to deal with this challenge in Brazil, ANVISA, the Brazilian federal health agency that approves medications and therapies . . .