Many viruses, including rhinovirus and influenza, remain infectious longer in colder temperatures. Coupled with higher indoor gatherings, this leads to increased respiratory virus spread.
Cold weather doesn’t directly cause colds but creates conditions favorable for virus transmission, as lower temperatures help viruses survive and replicate more effectively.
COVID-19 is distinct from typical seasonal viruses, as infection rates have surged every summer since 2020, influenced by the emergence of new variants and waning immunity.
In colder conditions, people are more likely to gather indoors, which heightens the risk of respiratory virus transmission, making the winter months particularly vulnerable.
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