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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