![Shruti Chaturvedi](https://bharatexpressonline.com/wp-content/uploads/2023/01/IMG-20220713-WA0213-150x150.jpg)
Shruti Chaturvedi
Bharat Express News Network
Covid In China: Even Those Taking All Three Doses Of The Vaccine Are Not Safe From Corona
Covid in China: Some such foreign research has also come to the fore, in which it has been found that even four doses of inactivated vaccine can provide protection only to a limited level.