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Table 1 Experimental design—sampling time point

From: Immunological aspects of the efficiency of protectotype vaccination strategy against chicken infectious bronchitis

DPV Blood (ELISA) TW (ELISA) HG (flow cytometry) Spleen (flow cytometry)
3 - - + +
7 - + + +
14 + + + +
21 + (HIa) + - -
  1. On different DPV, samples were collected simultaneously from all of the experimental groups
  2. a21 DPV 5 serum samples reacting possitive in ELISA were subjected for HI evaluation