Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) The durations of lockdowns in African countries. (B) COVID-19 attack rate per 100 000 people per country. (C) Estimates of contraceptive prevalence (any method and modern methods) for women aged 15–49 years in 2015. (D) Population density of people living with HIV (density per 5 km × 5 km pixel resolution).
