evidence: On March 11, 2020, the World Health Organization (WHO) declared COVID-19, the disease caused by the SARS-CoV-2, a pandemic. The announcement followed a rising sense of alarm in the preceding months over a new, potentially lethal virus that was swiftly spreading around the world. A year later, we look back on one of the most challenging periods in recent memory. [...] February: Cases of COVID-19 begin to multiply around the world. Countries are restricting travel to contain the virus. [...] October: President Trump tests positive for COVID-19 after a gathering in the White House Rose Garden where multiple people were also thought to have been infected. Meanwhile, the Food and Drug Administration (FDA) grants full approval to a drug called remdesivir for treatment of COVID-19.