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Table 2 Titration of the infectivity of PfCSP/Py Spz through intravenous injection

From: A highly infectious Plasmodium yoelii parasite, bearing Plasmodium falciparum circumsporozoite protein

  # of Spz injected iv Day 3 post challengea Day 4 post challenge Day 5 post challenge
Wild-type P. yoelii 450 0/5 5/5 5/5
150 0/5 5/5 5/5
50 0/5 4/5 5/5
PfCSP/Py 450 0/5 5/5 5/5
150 0/5 5/5 5/5
50 0/5 5/5 5/5
  1. aNumber of infected mice/number of challenged mice. Infection was defined as the observation of blood stage parasites in thin blood smears by Giemsa staining