Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 18, Number 4—April 2012

Mayaro Virus Infection in Traveler Returning from Amazon Basin, Northern Peru

Andreas Neumayr1Comments to Author , Martin Gabriel1, Jasmin Fritz, Stephan Günther, Christoph Hatz, Jonas Schmidt-Chanasit, and Johannes Blum
Author affiliations: Swiss Tropical and Public Health Institute, Basel, Switzerland (A. Neumayr, J. Fritz, C. Hatz, J. Blum); Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany (M. Gabriel, S. Günther, J. Schmidt-Chanasit)

Main Article


Results of serologic testing for a Mayaro virus–infected Swiss traveler returning from the Amazon Basin, northern Peru, 2011*

Virus Antigenic complex Indirect immunofluorescence assay
Virus neutralization assay
First serum sample†
Second serum sample‡
First serum sample† Second serum sample‡
Mayaro virus SF 2,560 1,280 2,560 40 40 160
Chikungunya virus SF 160 <20 160 <20 ND ND
O`Nyong-nyong virus SF 20 <20 80 <20 ND ND
Ross River virus SF 160 <20 160 <20 ND ND
Semliki Forest virus SF 80 <20 80 <20 20 20
Barmah Forest virus BF 20 <20 20 <20 ND ND
Venezuelan equine encephalitis virus VEE 80 <20 80 <20 ND ND
Western equine encephalitis virus WEE 80 <20 80 <20 ND ND
Sindbis virus WEE 160 <20 160 <20 <20 <20
Eastern equine encephalitis virus EEE <20 <20 <20 <20 ND ND

*SF, Semliki Forest; ND, not done; BF, Barmah Forest; VEE, Venezuelan equine encephalitis; WEE, Western equine encephalitis; EEE, Eastern equine encephalitis.
†Sample obtained August 29, 2011.
‡Sample obtained September 12, 2011.

Main Article

1These authors contributed equally to this article.

Page created: March 02, 2012
Page updated: March 02, 2012
Page reviewed: March 02, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.