COVID-19 VACCINE COULD SOON BE DELIVERED VIA MOUTH, NOSE AND SKIN
22 Apr 2021 04:38 AM IST
Currently, there are 9 approved vaccines against SARS-CoV-2 virus that are used to prevent transmission, and prevent hospitalisation and deaths. However, all vaccines are given intramuscularly and appear to induce systemic protective immunity and not sterile immunity, and carry minor side effects. Current vaccines predominantly induce IgG antibody response and