User:Knox leon macatangay/sandbox

'''Covid-19 vaccines A Covid 19-vaccine is a vaccine intended to provide acquired immunity against serve acute respiratory syndrone coronavirus2 (SARS-COVV-2) the virus causes corona disease 2019 (covid-19) prior to the Covid-19) prior to the covid-19 pandemic an established body of knowledge existed about the structure and fuction of coronavirus causing diseases like serve acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). This Knowledge accelerated the development of various vaccine platforms during early 2020 [1] The initial focus of SARS-COV-2 vaccines was preventing symptomatic often severe illnes. [2] on 10 January 2020, the SARS-Cov-2 genetic sequence.