What is a virus? How do they spread? How do they make us sick?
What is a virus? How do they spread? How do they make us sick?
Feb 3, 2025
theconversation.com
When a virus is widely circulating in a population and causing many infections, the likelihood of the virus mutating increases. The more opportunities a virus has to spread, the more it replicates – and the more opportunities it has to undergo changes. Learn more about what causes COVID-19 virus to change ⬇️ | World Health Organization (WHO)
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