Covid-19 vaccine candidates under clinical evaluation-a review

ABSTRACT

Vaccine development against SARS‐CoV‐2 have reached to a centre stage across globe attributed to the Covid 19 pandemic. As treatment options for Covid-19 are yet to be explored, so the onus is on vaccines to stimulate humoral and cellular immunity in fight against present pandemic. In vaccinology the prior research against similar coronaviruses such as SARS and MERS have enabled the rapid development of COVID‐19 vaccine. Smallpox eradication and diseases like polio, mumps and measles have been checked using vaccines. Keeping in view of the current situation Scientific world has responded remarkably with development and acceleration of various vaccine candidates. Present review highlights the vaccines that are under clinical evaluation stage as per the WHO report of August 2020.