Full
Outline
To investigate influencing factors of influenza virus infection among hospitalized pregnant and postpartum women during influenza season in Suzhou City.
Based on the established active surveillance system for influenza-associated acute respiratory or febrile illness (ARFI) hospitalizations among the maternal population in Suzhou, we used rates/percentages to describe population distribution characteristics. Logistic regression analyses were performed to identify factors associated with laboratory-confirmed influenza infection in hospitalized pregnant and postpartum women during influenza season.
During 2018—2023 influenza seasons, 1 774 pregnant and postpartum women hospitalized with ARFI were included, with 479 cases (27.0%) testing positive and 1 295 negative by reverse transcription polymerase chain reaction (RT-PCR). Multivariable analysis confirmed that elevated risks persisted in first (aOR=2.49, 95% CI: 1.52-4.11) and third trimesters (aOR=1.83, 95% CI: 1.27-2.68). Influenza like illness (ILI) exposure increased risk by 86.0% (aOR=1.86, 95% CI: 1.36-2.55). Asthma was associated with an 83.0% lower risk (aOR=0.17, 95% CI: 0.03-0.56). Having ILI symptoms within the past 1 year (aOR=0.70, 95% CI: 0.51-0.94) and having children (aOR=0.77, 95% CI: 0.62-0.96) were also associated with a reduced risk of hospitalization with influenza infection.
Pregnant women in first and third trimesters should strengthen self-protection measures against seasonal influenza. Attention to health-related behaviors significantly reduces infection risks.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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