IMED2007_Heymann.pdf - International Society for Infectious ...
IMED2007_Heymann.pdf - International Society for Infectious ...
IMED2007_Heymann.pdf - International Society for Infectious ...
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Limited protection from trivalent oral<br />
polio vaccine: virus competition<br />
100<br />
90<br />
89<br />
96<br />
80<br />
70<br />
65<br />
67<br />
67<br />
Percent<br />
60<br />
50<br />
40<br />
30<br />
29<br />
50<br />
31<br />
52<br />
Dose 1<br />
Dose 2<br />
Dose 3<br />
20<br />
10<br />
0<br />
Poliovirus type 1 Poliovirus type 2 Poliovirus type 3<br />
ohn TJ, Devararjan LV, Balasubramanyan A. Immunization in India with trivalent and<br />
monovalent oral poliovirus vaccines of enhanced potency. Bull WHO 1976;54:115-7.<br />
February 2007<br />
World Health Organization 24
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