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In 1968, an improved and weaker measles vaccine, created by Maurice Hilleman and colleagues began to be distributed in the United States. This vaccine was called the Edmonston-Enders (formerly Moraten) strain and has been the only vaccine used in the United States since.

The measle measles vaccine is usually combined with the mumps and rubella vaccine vaccines (MMR) and sometimes with the varicella vaccine (MMRV).

Measles research at the NIH was in the Laboratory of Virology and Rickettsiology in Building 29, but the entire lab moved to Building 29A in 1967 when the annex opened.

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