The impact of Covid-19 on global livability has been absolutely devastating, but some destinations have fared much better than others. The guidelines seek to "better differentiate countries with severe outbreak situations" from places where Covid-19 is "sustained, but controlled." The CDC's threat levels are determined by the number of Covid-19 cases in a given country. Level 1 countries like Australia and New Zealand are considered the lowest risk destinations, and they have reported less than 50 Covid-19 cases in the last 28 days. How a vaccination experiment known as 'Project S' transformed one small Brazilian cityAs the pandemic rages on elsewhere in Brazil, hope has returned to the small city of Serrana , after researchers vaccinated almost its entire adult population in a medical experiment this spring.

Source: CNN June 09, 2021 13:07 UTC