Vaccines WellCare Uses All our vaccines are manufactured in the United States of America or Europe and imported directly from the USA or Europe and have received the approval of the United Kingdom's Medicines and Healthcare Products Regulatory Agency (MHRA) to be imported into and used in the United Kingdom. Rubella For Rubella, WellCare will use one of the following vaccines Meruvax 11 Rubella Vaccine Live Strain RA 27/3 attenuated strain of rubella prepared in human diploid cells Manufacturer Merck & Co Country of Manufacture USA Rudivax Rubella Vaccine Live Strain 27/3 attenuated strain of rubella prepared in human diploid cells Manufacturer Pasteur Merieux Connaught Country of Manufacture France Measles For Measles, WellCare will use one of the following vaccines Attenuvax Measles Vaccine Live Strain Attenuated Edmonston strain of measles virus prepared in chick embryo cells Manufacturer Merck & Co Country of Manufacture USA Rouvax Measles Vaccine Live Strain Hyperattenuated measles virus (Schwarz) Prepared in chick embryo cells Manufacturer Pasteur Merieux Connaught Country of Manufacture France Mumps For Mumps, WellCare will use the following vaccine Mumpsvax Mumps Vaccine Live Strain Jeryl-Lynn (B level) strain Prepared in chick embryo cells Manufacturer Merck & Co Country of Manufacture USA