+C19 refers to the global [Pandemic](/wiki/pandemic) caused by a novel [Virus](/wiki/virus), significantly impacting human societies and [Public Health](/wiki/public_health) worldwide. Its emergence prompted rapid scientific response and widespread changes in daily life.
+## See also
+- [Epidemic](/wiki/epidemic)
+- [Vaccine](/wiki/vaccine)
+- [Immunity](/wiki/immunity)
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