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. 2016 Oct 21;13(1):220–228. doi: 10.1080/21645515.2016.1234553

Figure 3.

Figure 3.

Mouse survival upon pneumolysin intranasal challenge. Mice (n = 20/group) were immunized twice intramuscularly at a 2-week interval with 1 µg of dPly adjuvanted with alum or with alum only. Fourteen days after the second injection, mice were challenged intranasally with 2 µg of Ply. The mortality was recorded during 3 d.