An identity check at the gate, a placebo injection in the vaccination room and a 30-minute wait in the observation room to note any adverse effect these were three crucial steps of the dry run for Covid-19 vaccines conducted in three places of Bengal on Saturday.
Seventy-five front line workers volunteered as recipients of the placebo during the dry run conducted at an urban primary health centre of the Bidhannagar Municipal Corporation at Salt Lake’s Duttabad, at the Amdanga Rural Hospital in North 24-Parganas and another urban primary health centre of Madhyamgram municipality. There were 25 volunteers at each of the sites.