The World Health Organization (WHO) declared the COVID-19 outbreak a pandemic on March 11, 2020. There have also been major successes including vaccines for nearly all age groups, the development of antiviral drugs to treat those at risk of severe illness. Jan. 7, 2020 Chinese public health officials identify a new type of coronavirus as the source of the outbreak. Feb. 11, 2020 The U.S. confirms its first case in a man in his 30s in Washington state, who developed symptoms