**2.13 Vaccines**

Various vaccine developments are being carried out across the world due to urgent need to overcome this covid-19 pandemic. Now in covid-19 emergency, vaccines could only be considered as potent therapeutics against SARS-CoV-2 deadly virus which normalize social life and working environment as it was earlier before pandemic. For the effective vaccines development against SARS-CoV-2 virus, various components are being used which include inactive or live-attenuated viruses, virus-like particles, viral vectors, protein-based, DNA-based, and mRNAbased vaccines [89]. Till now various potential vaccine candidates have already been


#### **Table 1.**

*List of various important vaccines which are developed or being in different development phases against covid-19 infection.*

*Different Therapeutic Strategies to Tackle the Infection Associated with COVID-19 DOI: http://dx.doi.org/10.5772/intechopen.96899*

developed and undergone for vaccination shot which have completed their clinical evaluation phase successfully [90]. However, several new vaccines are still under clinical developmental phase (**Figure 1**). Some important vaccines which are being developed against SARS-CoV-2 virus are mention below in **Table 1**.
