US Patent & Trademark Office: Culture medium of viruses for human vaccines have to consist of human cells from placenta and/or from umbilical cord of a fetus of the blood type 0 Rh- and of the mother of the blood type 0 Rh- (both, fetus and mother, must be of the blood type 0 Rh-) Appl. No.: 15/874030 Filed: January 18, 2018 Read also the article: AUTISM, BLOOD TYPES AND VACCINES
