A Portable Screen is a guard made of transparent thick glass that stands as a wall between people. Which prevents the spit coming out of the mouth of the people from coming in contact with other people?

There are four groups of vaccines in the clinical trials. Some of them tried to smuggle this antigen into a body, others are using the body’s own cell to create a viral antigen. Reference: https://allinlist.com/2022/09/01/how-the-four-sorts-of-covid19-vaccine-works/

Portable Barrier also comes in the category of Sneeze Guards. As per their name they are very portable and have some extra features for making them unique and extra beneficial.