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Allergic (Extrinsic) Pediatric Asthma
| Acute phase | Late phase | Chronic | |
|---|---|---|---|
| Gell and Coombs | Type 1 | ||
| Rajan | Type 1 | ||
| Kay | Type 1 | Type 4 Th2 | Type 4 Th2 |
| Cell-mediated effector | Type 2 | Type 2 | Type 2 |
| Lymphocyte subsets | B cell (IgE), TFH, Th2 (TH2), Th9 (TH9), ILC2 | B cell (IgE), Th2 (TH2), Th9 (TH9), ILC2 | Th2 (TH2), Th9 (TH9), ILC2 |
