The countries with the 10 greatest number of Covid-19 cases:
Measles, Dengue Fever – Brazil
While most of the attention on infectious diseases in Brazil is focused on the rapid rise in COVID-19 cases in the country, other outbreaks are making their mark in the largest South America country. This include some one million dengue fever cases and by far the most measles cases reported in the western hemisphere. Between 1 January and 20 May 2020, Brazil has reported 3,155 confirmed cases, including four deaths.