Why do ONE need a COVID booster? Q.1 I have already received two doses of COVID vaccine. The Omicron variants of Corona Virus are still causing COVID and impacting healthcare systems and IMMUNOCOMPROMISED and comorbid condition like asthma,diabetes,cancer and obesity . The Vaccines that were given earlier as 2 dose primary series were based on Wuhan strain and may not be highly effective against currently circulating Omicron strain and its variants. Q.2 Which age group is this vaccine indicated for? g older adults and adults with comorbidities. In India, NTAGI recommends Omicron booster for individuals over 60 years of age and all adults who are comorbid or with weak immunity (immunocompromised). The composition of mRNA vaccines can be modified quickly which helps in fighting the emerging variants. Q.6 Are mRNA vaccines available globally? Over 450 crore doses of mRNA vaccines have been distributed in over 180 countries, preventing COVID since 2020, Q.7 How is this vaccine