World Journal of
Pharmaceutical and Life Sciences

COVID-19 VACCINES; A COMPARATIVE ANALYSIS OF THEIR DISTINGUISHING CHARACTERISTICS EFFICACY, EFFECTIVENESS AND ADVERSE EFFECTS

Pallavi Duggal, Mansimran Kaur Randhawa, Anil Pandita and Abid Ali Sheikh*

ABSTRACT

A virus is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat. A virus cannot replicate alone. Viruses must infect cells and use components of the host cell to make copies of themselves. Often, they kill the host cell in the process and cause damage to the host organism. Antibiotics are ineffective against viruses as viruses do not have a cell wall but are protected by a protein coat. For counter-fight vaccines are taken into consideration in minimizing or reducing the spread of viruses. COVID 19, the highly contagious infectious disease continues to wreak havoc across the world. Like other viruses, COVID 19, cannot be killed or reduced through using antibiotics, only can stop or reduce the severe effects caused by the virus. In this review article, we are going to discuss from Moderna to Sputnik V vaccines used to control the spread of COVID-19. A number of characteristics/features of various types of vaccines available (till date) are discussed in this review article on the basis of their effects which are experienced by a large number of populations.

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