The Sunday Story: Hidden Viruses
Three years ago, on March 11, 2020, the World Health Organization declared COVID-19 a pandemic. The virus had spread across the globe, and the WHO announcement triggered unprecedented measures \u2013 governments ordered people to quarantine, borders were closed and mandatory masking became commonplace. Today, science reporter Ari Daniel tells us about a new series from NPR: "Hidden Viruses: How Pandemics Really Begin." From bats in Bangladesh to dogs in Malaysia, NPR's Global Health and Development team traveled far and wide to learn how scientists are studying spillovers \u2013 when a disease crosses from animals to humans \u2013 and what makes some viruses more deadly than others.
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