['respiratory syncytial virus infections']
['placebo', 'jnj-53718678']

        Inclusion Criteria:

          -  Female participants must be of non-childbearing potential: postmenopausal for at least
             2 years or surgically sterile or otherwise incapable of becoming pregnant

          -  Female participants, except for postmenopausal women, must have a negative serum
             pregnancy test at screening

          -  Participants must agree to comply with contraceptive measures as mentioned in protocol

          -  Participants must be sero-suitable for respiratory syncytial virus (RSV) within 57
             days prior to inoculation

          -  Participants must be non-smokers for at least one month prior to screening and
             participants must have a negative cotinine test at screening

        Exclusion Criteria:

          -  Participants with a past history of heart arrhythmias (extrasystoli, tachycardia at
             rest) or of risk factors for Torsade de Pointes syndrome

          -  Participants with a history or evidence of abuse of alcohol, barbiturates,
             amphetamines, recreational or narcotic drug use within the past 3 months, which in the
             Investigator's opinion would compromise participant's safety and/or compliance with
             the study procedures

          -  Participants with current human immunodeficiency virus type 1 (HIV-1) or HIV-2
             infection at screening

          -  Participants with current hepatitis A infection, or hepatitis B virus (HBV) infection,
             or hepatitis C virus (HCV) infection (confirmed by HCV antibody) at screening

          -  Participants with active acute respiratory infection at admission (Study Day -1 or -2)
      