Spaan, W.

coronaviru sars coronavirus cr 3014 animal antibody virus infection sars coronavirus infection control study figure challenge macroscopic lung pathology analysis lesion pharyngeal swabs manuscript animal studies lancet group titre strain pharyngeal university department crucell holland bv immunodeficiency pharyngeal secretions hek 293t cells data analysis day 4 sars coronavirus excretion transmission multifocal lesions igg 1 syncytial virus disease administration serum concentration allen prophylaxi experiment research replication zambia macroscopic martina disease lung homogenates netherland figure 1 heterosexual syndrome day 2 caudal parts palivizumab haagman leiden pathology spike multifocal animal experiments vero cells 37° c rt-pcr lung tissue meulen china control antibody kaslow kuiken neutralisation electron microscopy birmingham glycoprotein spike weight 800–900 g virus-varying serumdilution format research letters conflict t kuiken phd perivascular lymphocyte infiltration