CORONA விலிருந்து என்னால் காப்பாற்ற முடியும் | Dr.Thiru Thanikachalam
CORONA விலிருந்து என்னால் காப்பாற்ற முடியும் | Dr.Thiru Thanikachalam
Coronaviruses are a group of viruses that cause diseases in mammals and birds that include diarrhea in cows and pigs, and upper respiratory disease in chickens. In humans, the virus causes respiratory infections, which are often mild, but in rare cases are potentially lethal.