Polio vaccine

Kon took off his mask: "If collective immunity reaches 70 percent, we are safe" VIDEO

"But what has to worry us is - Great Britain. If the Chinese strain was one to infect three, this Indian strain is to infect five to six," says Kon.
He adds that vaccines also protect against the Indian strain, and when asked if it is possible to get symptoms of the virus, in addition to vaccination, he answered: