A large A(H3N2) influenza outbreak with a high attack rate in a drug user community in Italy, April 2022

被引:0
|
作者
Gori, Maria [1 ,2 ]
Fappani, Clara [1 ,2 ,3 ]
Bianchi, Silvia [1 ,2 ]
Canuti, Marta [2 ,4 ,6 ]
Colzani, Daniela [1 ]
Ottogalli, Paolo [5 ]
Duehren, Sarah [5 ]
Tanzi, Elisabetta [1 ,2 ]
Amendola, Antonella [1 ,2 ]
Boschini, Antonio [5 ]
机构
[1] Univ Milan, Dept Hlth Sci, Milan, Italy
[2] Univ Milan, Coordinated Res Ctr EpiSoMI, Milan, Italy
[3] Univ Milan, Dept Clin Sci & Community Hlth, Milan, Italy
[4] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[5] Med Ctr, San Patrignano Community, Rimini, Coriano, Italy
[6] Univ Milan, Coordinated Res Ctr Multidisciplinary Res Hlth Sci, Milan, Italy
来源
EPIDEMIOLOGY AND INFECTION | 2023年 / 151卷
关键词
Community outbreaks; public health;
D O I
10.1017/S0950268823000055
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Despite the COVID-19 pandemic, influenza remains an important issue. Especially in community settings, influenza outbreaks can be difficult to control and can result in high attack rates. In April 2022, a large A(H3N2) influenza outbreak spread in the largest Italian drug-rehabilitation community. One hundred eighty-four individuals presented influenza-like symptoms (attack rate of 26.2%); 56% previously received the influenza vaccine. Sequence analyses highlighted a genetic drift from the vaccine strain, which may have caused the observed lack of protection.
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页数:5
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