Why don't viruses make their original hosts sick? 5 questions answered

The coronavirus that has claimed more than 4,000 lives worldwide and sickened more than 113,000 most likely originated in bats, most experts believe. From bats, the virus “jumped” to another species, likely pangolins, and then to humans. Why didn’t the virus make bats or pangolins sick? As it turns out, viruses are complicated – in addition to sometimes being deadly.

Why don't viruses make their original hosts sick? 5 questions answered

Видео Why don't viruses make their original hosts sick? 5 questions answered канала Infxpress