Serrana
Municipality
Flag Coat of arms
Location in São Paulo state
Serrana Location in Brazil
Coordinates: 21°12′41″S 47°35′44″W / 21.21139°S 47.59556°W / -21.21139; -47.59556
Country	Brazil
Region	Southeast
State	São Paulo
Area
• Total	126 km2 (49 sq mi)
Population  (2020 [1])
• Total	45,644
• Density	360/km2 (940/sq mi)
Time zone	UTC−3 (BRT)

Serrana is a municipality in the state of São Paulo in Brazil. The population is 45,644 (2020 est.) in an area of 126 km².^[2] The elevation is 427 m.

COVID-19 vaccine study

While other communities were struggling to deal with the COVID-19 pandemic in Brazil, Serrana participated in a study wherein 100% of its adult population was supposed to be vaccinated with CoronaVac. Prior to the mass vaccination, 5% of Serrana's population had been infected, one of the highest rates in Brazil.^[3]

Most adults received two shots by the end of April. By May, symptomatic COVID-19 cases fell 80%, hospitalizations by 86%, and mortality by 95% according to researchers doing the study. The virus was contained once 75% of people were vaccinated. According to Ricardo Palacios, a director at São Paulo's Instituto Butantan, "The most important result was understanding that we can control the pandemic even without vaccinating the entire population."^[4][5]

Notable people

• Renan Lodi (born 1998), professional footballer

References

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