NHSuk – January 25, 2021 at 03:39PM
General
Development of the COVID-19 vaccine has been underway since early 2020, as soon as virus began spreading. Knowledge from other vaccines, like SARS and MERS, have been used in developing the COVID-19 vaccines.
Read more 👇
https://t.co/qAOGzpWMu6 https://t.co/abqkuyYken