Table 1. Serum hemagglutination inhibition titres before and after IIV3 in HIV− subjects (baseline: N = 30, post-IIV3: N = 29) and HIV+ subjects (baseline: N = 25, post-IIV3: N = 26).
| HIV negative |
HIV positive |
|||
|---|---|---|---|---|
| Baseline | Post-IIV3 | Baseline | Post-IIV3 | |
| H3N2 - A/South Australia/55/2014 (A/Switzerland/9715293/2013-like) | ||||
| Seropositive (HI ≥ 40) | 13 (43%) | 25 (86%) | 15 (60%) | 24 (92%) |
| GMT | 28.3 | 126.0 | 29.5 | 140.0 |
| ≥4-fold rise post-IIV3 | 18/29 (62%) | 17/25 (68%) | ||
| H1N1 - A/California/7/2009 | ||||
| Seropositive (HI ≥ 40) | 20 (67%) | 25 (86%) | 18 (72%) | 24 (92%) |
| GMT | 40.9 | 66.1 | 48.6 | 93.9 |
| ≥4-fold rise post-IIV3 | 3/29 (10%) | 5/25 (20%) | ||
| B Yamagata- B/Phuket/3073/2013 | ||||
| Seropositive (HI ≥ 40) | 24 (80%) | 27 (93%) | 17 (68%) | 22 (85%) |
| GMT | 81.9 | 156.2 | 49.9 | 104.4 |
| ≥4-fold rise post-IIV3 | 5/29 (17%) | 8/25 (32%) | ||
GMT; geometric mean titre.