A health worker disinfects a building in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)

A health worker disinfects a market during curfew time in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)

A health worker disinfects a school in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)

Health workers disinfect a small square in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)

A health worker disinfects a school in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)

A health worker disinfects a public space in Dakar, Senegal, April 1, 2020. (Photo by Eddy Peters/Xinhua)