[1] Swedish Univ Agr Sci, Joint Div Virol, Dept Biomed Sci & Vet Publ Hlth, Uppsala, Sweden
[2] Natl Vet Inst, S-75007 Uppsala, Sweden
[3] Njala Univ, Freetown, Sierra Leone
[4] Minist Agr Forestry & Food Secur, Freetown, Sierra Leone
[5] Teko Cent Vet Lab, Makeni, Sierra Leone