HEALTH authorities are reallocating around 75% of Democratic Republic of Congo's 1.7 million AstraZeneca COVID-19 vaccine doses to other African countries to make sure they're used before they expire, a UNICEF representative has said. Congo received the doses from the COVAX vaccine-sharing facility on March 2, but delayed the rollout after several European countries suspended the use of the AstraZeneca shot in response to reports of rare blood clots. The country began its vaccination campaign on April 19, but had administered doses to just 1,265 people out of its population of over 85 million as of Saturday, according to the…