univalent vaccine

17 LETTERS · STARTS WITH U

univalent vaccine is a valid 17-letter word worth 26 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1I1V4A1L1E1N1T1V4A1C3C3I1N1E1
1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 3 + 3 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does univalent vaccine mean?

1