‘The World Health Organization on Friday (Mar 12) approved the emergency listing of Johnson & Johnson's COVID-19 vaccine, giving its seal of approval to expedite use especially in countries with weaker regulatory agencies. It is the third COVID-19 vaccine after the two-shot regimens of Pfizer/BioNTech and AstraZeneca to receive backing from the WHO, and the first requiring just a single injection.’
Read here (Channel News Asia, Mar 13, 2021)