SPH Dean Dr. Varduhi Petrosyan comments on the COVID-19 vaccination process in Armenia and its role in the prevention of the highly contagious Delta variant. /ARM/newsExpandDetails news SPH Dean Dr. Varduhi Petrosyan comments on the COVID-19 vaccination process in Armenia and its role in the prevention of the highly contagious Delta variant. /ARM/ Read MorenmuradyanJul 02Comments Disabled