Table 2. Incidence rates for AEFI† with the influenza vaccine according to administered doses. Brazil, 2013-2017.
AEFI† | Year of vaccination | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2013 | 2014 | 2015 | 2016 | 2017 | Total | |||||||
(n=487) | (n=839) | (n=2,384) | (n=198) | (n=232) | (n=4,140) | |||||||
n | IR‡ | n | IR‡ | n | IR‡ | n | IR‡ | n | IR‡ | n | IR‡ | |
Local pain | 65 | 1.06 | 60 | 0.58 | 305 | 0.66 | 14 | 0.03 | 7 | 0.02 | 451 | 0.28 |
Local erythema | 53 | 0.86 | 44 | 0.43 | 250 | 0.54 | 9 | 0.02 | 14 | 0.03 | 370 | 0.23 |
Local warmth | 53 | 0.86 | 43 | 0.42 | 247 | 0.53 | 5 | 0.01 | 4 | 0.01 | 352 | 0.22 |
Local swelling | 3 | 0.05 | 46 | 0.45 | 259 | 0.56 | 4 | 0.01 | 5 | 0.01 | 317 | 0.20 |
Fever | 48 | 0.78 | 66 | 0.64 | 156 | 0.34 | 19 | 0.04 | 9 | 0.02 | 298 | 0.19 |
Headache | 19 | 0.31 | 30 | 0.29 | 72 | 0.16 | 8 | 0.02 | 3 | 0.01 | 132 | 0.08 |
Rash | 7 | 0.11 | 12 | 0.12 | 84 | 0.18 | 5 | 0.01 | 1 | 0.00 | 109 | 0.07 |
Vomiting | 6 | 0.10 | 18 | 0.18 | 50 | 0.11 | 5 | 0.01 | 5 | 0.01 | 84 | 0.05 |
Pain | 4 | 0.07 | 29 | 0.28 | 34 | 0.07 | 12 | 0.02 | 4 | 0.01 | 83 | 0.05 |
Cough | 6 | 0.10 | 22 | 0.21 | 35 | 0.08 | 7 | 0.01 | 4 | 0.01 | 74 | 0.05 |
Local abscess | 5 | 0.08 | 15 | 0.15 | 52 | 0.11 | 0 | 0.00 | 1 | 0.00 | 73 | 0.05 |
Hypersensitivity | 22 | 0.36 | 10 | 0.10 | 26 | 0.06 | 1 | 0.00 | 3 | 0.01 | 62 | 0.04 |
Edema | 1 | 0.02 | 29 | 0.28 | 28 | 0.06 | 0 | 0.00 | 2 | 0.00 | 60 | 0.04 |
Myalgia | 7 | 0.11 | 10 | 0.10 | 35 | 0.08 | 2 | 0.00 | 2 | 0.00 | 56 | 0.04 |
Pruritus | 1 | 0.02 | 4 | 0.04 | 45 | 0.10 | 5 | 0.01 | 0 | 0.00 | 55 | 0.03 |
Local pruritus | 1 | 0.02 | 5 | 0.05 | 40 | 0.09 | 6 | 0.01 | 2 | 0.00 | 54 | 0.03 |
Influenza like illness | 11 | 0.18 | 29 | 0.28 | 5 | 0.01 | 6 | 0.01 | 1 | 0.00 | 52 | 0.03 |
Local induration | 30 | 0.49 | 14 | 0.14 | 4 | 0.01 | 1 | 0.00 | 3 | 0.01 | 52 | 0.03 |
Nausea | 1 | 0.02 | 15 | 0.15 | 28 | 0.06 | 1 | 0.00 | 6 | 0.01 | 51 | 0.03 |
Local nodule | 1 | 0.02 | 5 | 0.05 | 45 | 0.10 | 0 | 0.00 | 0 | 0.00 | 51 | 0.03 |
Dyspnea | 3 | 0.05 | 12 | 0.12 | 30 | 0.06 | 4 | 0.01 | 1 | 0.00 | 50 | 0.03 |
AEFI: Adverse Event Following Immunization;
IR: Incidence Rate per 100.000 doses of Instituto Butantan TIV (#AEFI / # doses)