
President Trump removes his mask upon return to the White House from Walter Reed National Military Medical Center on Oct. 5 after spending three days hospitalized for COVID-19. Photo: Win McNamee/Getty Images
The COVID-19 pandemic has affected the lives of people in 191 countries and regions since spreading from China in January — killing more than 1.5 million people, infecting more than 66.3 million and disrupting many more lives.
The big picture: Companies and schools around the world have shifted to online work and classes. Many governments have responded with restrictions including lockdowns, social distancing measures and mask mandates.
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