LIVE POLIO IRUS VACCINES

334
Efficacy-Laboratory Evidence
100
2.z 1 3 12T3
2'6 < 1:1024
FIc. 2. St. Joseph's Abbey, Worcester, Mass., 1959-123 persons. Percent of persons with fourfold
or greater rise in poliovirus antibody titer following ingestion of oral trivalent poliomyelitis vaccine, by
virus type and pre-vaccination titer.
(2ml. vaccine, 7-1238-803)
TABLE 3. POLIOVIRUS ANTIBODY STATUS
GIOUP: 485 ml8ELEZ PEYSO ~ ML & FA4ILIES DATE: 1959-60
DOSE: 2 ML ORAL TRIVALENT POLIOVACCIEE (106-1'TCN, EACH TYPET DoE
P___ __ClPATIO
PO6T-VACCINATII!
iCGATIV2 TOTAL ESIDUAL EIGATIVES no. OF
TO NO. OF 0O. TO TTPE _ COIPLIZT
,TPE P~ESO B OGS 1 2 3 1L2 1&3 2&3 COMVESIO
1 101 101 7 94
2 58 58 15 43
3 130 130 7 123
1 & 2 45 90 6 39
1 3 53 106 3 2 3 45
2 3 37 74 4 2 31
1,2 & 3 61 183 2 19 3 3 2 32
TOTAL.S 485 742 124412 3 3 4 407 * 84S