A look at the J&J vaccine to be produced by Hyderabad's Biological E
Hyderabad-based drugmaker Biological is set to produce Covid-19 vaccines developed in the US including the Johnson & Johnson candidate. A report in ThePrint provides a closer look at the vaccine. The inoculant is a single-dose vaccine, unlike most others such as the Pfizer and Moderna shots that need two doses. While the Pfizer and Moderna products are mRNA vaccines, the J&J shot is an adenovirus vector vaccine that works on a principle similar to mRNA but uses a different virus. A big advantage for the J&J shot is