RT Journal Article SR Electronic(1) A1 Afzal, M. A. A1 Pickford, A. R. A1 Forsey, T. A1 Heath, A. B. A1 Minor, P. D.YR 1993 T1 The Jeryl Lynn Vaccine Strain of Mumps Virus is a Mixture of Two Distinct Isolates JF Journal of General Virology, VO 74 IS 5 SP 917 OP 920 DO https://doi.org/10.1099/0022-1317-74-5-917 PB Microbiology Society, SN 1465-2099, AB Sequence analysis of the region of the mumps virus genome encoding the putative small hydrophobic protein gene confirms that it is a highly variable region. Jeryl Lynn, the mumps vaccine strain used in the U.K., is shown to be a mixture of two closely related viruses, both probably of American origin., UL https://www.microbiologyresearch.org/content/journal/jgv/10.1099/0022-1317-74-5-917