Table 1.

Agglutination with Vi-specific antiseruma

NaCl concn (M)Agglutination of strain
Ty2CVD 908-htrACVD 909
0.17++++++++++
0.3+++++++++
0.5+/−+++
0.6+++
0.7+++
  • a −, no agglutination; +/−, weak agglutination; +++, strong agglutination; ++++, very strong agglutination.