Table 1. Prevalence of neutralizing antibodies against SAFV-3 in sera from infants, young children and adults from different countries.
| Country | # Samples | Age range | Period1 | # Positive (%)2 |
| Netherlands | 30 | 9 months | 2006/2007 | 9 (30) |
| Netherlands | 30 | 24 months | 2006/2007 | 28 (93) |
| Netherlands | 90 | 4, 8,10 yrs | 2006/2007 | 83 (92) |
| Netherlands | 60 | 18–39 yrs | 2004 | 59 (98) |
| Finland | 30 | 2–2.5 yrs | 1997/1998 | 23 (77) |
| Cameroon | 29 | 5–15 yrs | 1997 | 29 (100) |
| Mali | 43 | 10–40 yrs | 2006 | 43 (100) |
| Indonesia (Java) | 30 | 6–40 yrs | 1997/1998 | 30 (100) |
| Indonesia (Sumba) | 33 | 5–40 yrs | 2007 | 33 (100) |
1
period, blood samples were collected.
2
titer≥10.