Since the identification of the genomic sequence of SARS-CoV-2, an unprecedented effort is being made until this date for the development of a safe and effective vaccine by pharma companies and laboratories worldwide. To attain herd immunity and quite possibly recover from this pandemic, which has claimed the life of about 4.23 million people, an exceptional effort has been made by the scientific community for the development of a vaccine. Various vaccines have been developed based on different platforms and each of them seems to possess its own merits and demerits based on its safety, immunogenicity, the durability of immunity, dosing schedule, technological platform, and ease of manufacture and transport. Based on these parameters this review aims to critically assess the efficacy of Covaxin and compare it with other vaccines in the WHO EUL list and perform a comparative analysis of COVID-19 vaccines which are in phase 3 and phase 4 of clinical trials. This will help us determine where COVAXIN stands against other vaccines and vaccine candidates based on these parameters which will ultimately help us determine the best vaccine that could potentially eradicate the COVID-19 pandemic.
As the human race evolves, numerous diseases have dominated humans, causing scientists to encounter myriad challenges with formulations. To rectify these issues, Nanoparticle (10-9 m) formulation approach or nanotechnology has been developed. Since nanoparticles have legion benefits, encompassing better bioavailability, target-specific, confined, accurate dose delivery, and increased surface area, are pertinent for effective treatment. Toxicity, inflammation, limited penetrating ability, accumulation, and aggregation are some of the downsides of nanoparticles. Picoscale along with nanoparticle technology in drug delivery, will enhance the permeability and myriad factors. Also, picometer (10-12 m) and futuristic femtometer (10-15 m) particles will allow scientists to deal with atomic and subatomic levels in some cases and improve the properties of nanotechnology in others. Herein, picotechnology, formulation, synthesis, and some unique properties concluding with femtotechnology have been addressed.
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