multivalent vaccine

19 LETTERS · STARTS WITH M

multivalent vaccine is a valid 19-letter word worth 30 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3U1L1T1I1V4A1L1E1N1T1V4A1C3C3I1N1E1
3 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 3 + 3 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does multivalent vaccine mean?

1