Funding for this research was provided by:
Bill and Melinda Gates Foundation (Grant ID INV-027961)
Received: 22 December 2021
Accepted: 20 April 2022
First Online: 10 May 2022
: We used data from open sources. The Brazilian Institute of Geography and Statistics, the Institute for Applied Economic Research, and the Ministry of Health of Brazil are committed to respecting the ethical precepts and ensuring data privacy and security. The Brazilian legislation exempts the use of public and anonymized secondary data from ethical approval.
: Not applicable.
: The authors declare that they have no competing interests.