Vaccine and Mask use
Vaccines developed by Pfizer and Moderna are extraordinarily effective in preventing new deadly diseases such as code-19, but it is unclear whether they are linked to the spread of the corona virus. How to prevent it completely. In fact, in the testing phases of vaccines from both Pfizer and Moderna, it was only known how many people were vaccinated. 19. This suggests that some vaccinated people may have contracted the disease again without showing any symptoms. These people can quietly transmit the corona virus to others. Especially when they are close to other people or not wearing masks. If vaccinated people can quietly transmit the virus, they can spread the virus to people in their families and neighborhoods and put them at risk who have not been vaccinated. Immunologist Michael Tal, who teaches at Stanford University, said many people are wondering why they need to wear a mask once they have been vaccinated. It was a turning point for them to realize that if they did not wear ma