Government of Saint Vincent and the Grenadines.
Iranian Registry of Clinical Trials.
United States National Library of Medicine.
Vaccine Centre, London School of Hygiene and Tropical Medicine.
The readings were based on calculations over 142 symptomatic cases in a trial involving more than 40,000 participants, with 26 injected with the Wuhan unit's vaccine and 21 with the Beijing unit's shot, it said.
United States National Library of Medicine.