Smoke billows on April 6 during fumigation in Mumbai’s Dharavi slum — intended as a disinfectant during the pandemic although there is no evidence that this measure is effective.

Smoke billows during fumigation inside the Dharavi slum during a government-imposed nationwide lockdown as a preventive measure against the spread of the COVID-19 coronavirus, in Mumbai on April 6, 2020. (Photo by INDRANIL MUKHERJEE / AFP) (Photo by INDRANIL MUKHERJEE/AFP via Getty Images)