Table 1.

Antibodies to Den-2 and Den-4 proteins in primary and secondary cases

Infection and antigenNo. of sera with antibodies toa:
CpreMENS1NS3NS5
Primary
 Den-2NDb1 (w) 6 (w)1 (w)ND
 Den-42 (w)3 (w) 9 (7w, 2s) 7 (w)
Secondary
 Den-2ND6 (w)10 (2w, 8s)8 (3w, 5s)10 (w)ND
 Den-47 (4w, 3s)9 (2w, 7s)10 (s)4 (3w, 1s)10 (1w, 9s)
  • a C, capsid; preM, M precursor; E, envelope; NS1, NS3, and NS5, nonstructural proteins. The intensity of reaction is shown in parentheses (w, weak; s, strong).

  • b ND, not done.