EDWARD McALLISTER WHEN Ghana received 50,000 COVID-19 vaccine doses from India last month, it hit a frustrating roadblock: it had not trained enough staff to distribute them. The country was still rolling out shots received in late February from the global vaccine-sharing scheme COVAX, and didn't have the capacity to expand that operation, according to the head of Ghana's immunisation programme. Rather than going straight into the arms of health workers, the additional doses were put in cold storage in the capital Accra, Kwame Amponsa-Achiano told Reuters, adding that his team had received two days' notice about the shipment. "We…