Nigeria to limit first doses of AstraZeneca due to supply concerns
LIBBY GEORGE NIGERIA has directed its 36 states and federal capital territory to stop giving first doses of AstraZeneca COVID-19 vaccines once they use half their current stock in order to safeguard supply for the second dose, its health minister said. Osagie Ehanire said the directive came amid concerns over when Nigeria would get another shipment of the shots after India put a temporary hold on all major exports of the doses made by the Serum Institute of India (SII). India, the world's second most populous country, is aiming to preserve supply to meet domestic demand. It reported a record…