A 176 amino acid polypeptide derived from the mumps virus HN ectodomain shows immunological and biological properties similar to the HN protein

Table 1 Titer of neutralizing antibodies against MuV *

	Hamsters sera						Rabbits sera
Group	A Unimmunized/ Unchallenged	B Unimmunized/ Challenged (viral control group)	C 3.1 Immunized/ Unchallenged	D HN Immunized/ Unchallenged	E 3.1 Immunized/ Challenged	F HN Immunized/ Challenged	Urabe AM9	JL
NI₅₀	ND	10^3.26	ND	10^2.20	10 ^2.97	10 ^3.36	10^3.75	10^3.75

*Expressed as the reciprocal of the highest serum dilution that protects 50% of the inoculated cell cultures.

ISSN: 1743-422X