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Penjelasan:

A year ago this week, the World Health Organization (WHO) declared covid-19 a pandemic. Since the first case of infection with this new coronavirus was reported in China in December 2019, SARS-CoV-2, as we now know it to be called, has killed over 2.5 million people and infected at least 116 million. Beginning as an unexplained, pneumonia-like illness, first detected in China’s Wuhan province, it has since spread to almost every country, bringing life across most of the world to a near-standstill for the last year. World leaders became ill, entire countries were locked down to prevent the spread of infection and international travel ceased.