virus tal gattone1 razza jeryl lynntm (livell b) (ħaj attenwat) mhux inqas minn 4 30 log10 ccid50 * virus tar rubella2 razza wistar ra 27/ 3 (ħaj attenwat) mhux inqas minn 3 00 log10 ccid50 * virus tal ġidri r riħ1 razza oka/ merck (ħaj attenwat)