a ic question mark made of vaccine drops, a syringe and a virus cell.

antiviral antivirus astrazeneca background biontech care cell concept control coronavirus covid covishield creative design development doubt doubts drops dynamic effect global health hesitation hesitations illustration infection injection issues made mark medical medicine needle pandemic pharmaceutical pharmacy pneumonia prevention problem purple question red render risk risks sign sinopharm sinovac sputnik symbol symbolic syringe test treatment vaccination vaccine virus white world