The center is in the process of replenishing the required blood volume, this was posted about on the Facebook page of the Yerevan Hematology Center.
"All the blood types are needed and vital, but we would like to first of all ask to visit those people who have the below-mentioned blood type," the post on the Facebook page of the "Center of Haematology named after prof. R.H. Yeolyan" reads.
O (I) rh- (1st negative),
B (III) RH + (3rd positive)
B (III) rh- (3rd negative),
AB (IV) RH + (4th positive),
AB (IV) rh- (4th negative).
