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.
Cumulative weekly number of cases with influenza-like illness enrolled in facility-based surveillance, by age, South Africa, weeks 1–41 2013–2019 (mean) and 2020 (n=1,183)
COVID-19: corona virus disease; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2.
The blue vertical line (week 12) indicates the start of the COVID-19 control measures in 2020.
