Correct Answer : Option (B) - Adeno Virus
Adenoviruses are a family of viruses that can cause a wide variety of illnesses in humans, including the common cold, gastrointestinal infections and pink eye. There are 88 types of adenovirus that would infect humans, and these are grouped into seven different species, A-G.
Recently, in several COVID-19 vaccines, including those produced by Johnson & Johnson and AstraZeneca, these viruses are the basis for several COVID-19 vaccines.