Coronavirus variants likely evolved inside people with weak immune systems, Top Health News | Latest Health & Healthcare Industry Information and Updates: ET HealthWorld : ETHealthworld.com

“At some point the virus must have infected someone with a weak immune system, allowing it to adapt and evolve for months inside the person’s body before being transmitted to others, an expert said., “At some point the virus must have infected someone with a weak immune system, allowing it to adapt and evolve for months inside the person’s body before being transmitted to others, an expert said., , Read More

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