Transmission blocking potency and immunogenicity of a plant-produced Pvs25-based subunit vaccine against Plasmodium vivax by Blagborough, A, Musiychuk, K, Bi, H, Jones, R, Chichester, J, Streatfield, S, Sala, K, Zakutansky, S, Upton, L, Sinden, R, Brian, I, Biswas, S, Sattabonkot, J, Yusibov, V