Hoogen, B.G. van den

virus infection metapneumoviru protein sequence animal children study vaccine sample syncytial virus assay disease antibody syncytial virol patient response hmpv infection group tract rt-pcr lineage challenge metapneumovirus infection polymerase detection macaque replication genome hoogen titre serum titer level strain result van den hoogen immunization hamster /1/00 measles netherland model vero -118 cells virology /1/99 immunity fusion nl /1/00 analysis hmpvm hmpvm 11 number nl /1/99 month heterologou plasmid hmpv-b virus replication expression mutation fi lter paper f protein inoculation osterhau nucleotide paper hmpv-a 1 symptom fluenza serum samples collin infant ampv-c prototype table medium vaccination antigen