Mild illnesses include some cases of the common cold , while more lethal varieties can cause SARS, MERS, and COVID-19. Symptoms in other species vary: in chickens, they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea.
Social media conspiracies blame coronavirus on 5G internet
Conspiracy theorists are infecting YouTube and Facebook with bogus theories that 5G mobile internet is responsible for the coronavirus. One…
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