It is the first time the NHS is offering chickenpox vaccination as part of a childhood immunisation programme. laine Thompson/APIt is the first time the NHS is offering chickenpox vaccination as part of a childhood immunisation programme. laine Thompson/APUK children to get chickenpox vaccine with measles, mumps and rubella jabNHS to administer combined immunisation in move in line with approach in US, Canada, Australia and GermanyChildren in the UK are to be immunised against chickenpox at the same time as measles, mumps and rubella. The NHS across the UK’s four home nations will administer a combined vaccine to young children to protect them against all four diseases from Friday. The measles, mumps and rubella (MMR) jab, which has been used since 1988, is being replaced by a combined MMRV vaccine that includes immunisation against chickenpox, also known as varicella. Infants will be offered two doses, at 12 and 18 months, to reduce their risk of catching chickenpox.