Figure 2.
Trial 1 and Trial 2 summary showing vaccination schedule, dosage, sample collection and number of animals. Groups are: 1) Trial 1, Group 1, vaccinated 2× on days 1 and 14 (light grey); 2) Trial 1, Group 2, vaccinated 3× on days 1, 14 and 49 (dark grey); 3) Trial 1, Group 3, not vaccinated (white); 4) Trial 2, Group 1, vaccinated 2× on days 1 and 14 (dark grey); and 5) Trial 2, Group 2, not vaccinated (white).