Temporal and geographic trends of rotavirus activity in the United States, 1997-2004

被引:48
作者
Turcios, RM
Curns, AT
Holman, RC
Pandya-Smith, I
LaMonte, A
Bresee, JS
Glass, RI
机构
[1] Ctr Dis Control & Prevent, Natl Ctr Infect Dis, Resp & Enter Viruses Branch, Atlanta, GA 30333 USA
[2] Ctr Dis Control & Prevent, Natl Ctr Infect Dis, Off Director, Div Viral & Rickettsial Dis, Atlanta, GA 30333 USA
关键词
rotavirus; epidemiology; seasonality; United States;
D O I
10.1097/01.inf.0000214987.67522.78
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Rotavirus (RV) has a characteristic seasonal pattern in the 48 contiguous states of the continental United States, and climatologic factors have been implicated though not confirmed. Since 1997, three significant events occurred, including strong El Nino and La Nina climatologic phenomena, and the brief introduction of a rotavirus (RV) vaccine. We examined trends in RV activity in the continental United States between 1997 and 2004, using data from a network of over 70 laboratories that voluntarily report weekly RV detection rates within the National Respiratory and Enteric Virus Surveillance System (NREVSS). Analysis of NREVSS data indicates characteristic winter activity that begins in the Southwest in December or January, moves across the country, and ends in the Northeast in April or May. This pattern was not affected by the brief use of RV vaccine nor by periods of climate change associated with the El Nino and La Nina phenomena. The temporal and geographic pattern of RV spread in the United States has persisted since its initial description and defies easy explanation. An impact of the RV vaccine was not observed, either because of the limited uptake of the vaccine or the inherent variability of the system. NRVESS permits a gross assessment of RV geographic and temporal trends in the United States, but underscores the need for additional assessment mechanisms.
引用
收藏
页码:451 / 454
页数:4
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