CDC: Mosquitoes, Ticks, and Other Arthropods

Healthcare professionals should recommend bug bite prevention strategies to international travelers.

CDC: Mosquitoes, Ticks, and Other Arthropods

Last updated:
April 25, 2025
|  5 min read
Spraying insect repellent on an arm

CDC: Mosquitoes, Ticks, and Other Arthropods

CDC: Mosquitoes, Ticks, and Other Arthropods

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Healthcare professionals should recommend bug bite prevention strategies to international travelers.

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CDC: Mosquitoes, Ticks, and Other Arthropods

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Mosquitoes, Ticks, and Other Arthropods

Introduction
Vector-borne diseases are found at almost every travel destination. Because few vaccines are available to protect travelers, the best way to prevent vector-borne diseases is to avoid being bitten by ticks and insects, including mosquitoes, fleas, chiggers, and flies, that transmit pathogens that cause disease. Travel medicine specialists should advise travelers to use repellents and take other precautions to prevent bites.

Elevation and arboviral disease risk
Mosquito-borne diseases are most often reported from tropical and subtropical areas, with risk declining as elevation increases. However, some vector species of mosquitoes are established at high elevations. West Nile and Usutu viruses were reported to be circulating in wildlife sentinel animals in the Italian Alps in 2005; however, no human cases were detected. Japanese encephalitis virus infections were detected in mosquitoes, pigs, and humans in Tibet, China, in the Nyingchi District at elevation 3,100 m (10,170 ft).

Continue reading to learn more, written by the CDC.

CDC: Mosquitoes, Ticks, and Other Arthropods

Mosquitoes, Ticks, and Other Arthropods

Introduction
Vector-borne diseases are found at almost every travel destination. Because few vaccines are available to protect travelers, the best way to prevent vector-borne diseases is to avoid being bitten by ticks and insects, including mosquitoes, fleas, chiggers, and flies, that transmit pathogens that cause disease. Travel medicine specialists should advise travelers to use repellents and take other precautions to prevent bites.

Elevation and arboviral disease risk
Mosquito-borne diseases are most often reported from tropical and subtropical areas, with risk declining as elevation increases. However, some vector species of mosquitoes are established at high elevations. West Nile and Usutu viruses were reported to be circulating in wildlife sentinel animals in the Italian Alps in 2005; however, no human cases were detected. Japanese encephalitis virus infections were detected in mosquitoes, pigs, and humans in Tibet, China, in the Nyingchi District at elevation 3,100 m (10,170 ft).

Continue reading to learn more, written by the CDC.

照片缩略图 博客作者
Center for Disease Control Contributors
疾病预防控制中心
Information on the website for the Center for Disease Control.
媒体报道

CDC: Mosquitoes, Ticks, and Other Arthropods

Mosquitoes, Ticks, and Other Arthropods

Introduction
Vector-borne diseases are found at almost every travel destination. Because few vaccines are available to protect travelers, the best way to prevent vector-borne diseases is to avoid being bitten by ticks and insects, including mosquitoes, fleas, chiggers, and flies, that transmit pathogens that cause disease. Travel medicine specialists should advise travelers to use repellents and take other precautions to prevent bites.

Elevation and arboviral disease risk
Mosquito-borne diseases are most often reported from tropical and subtropical areas, with risk declining as elevation increases. However, some vector species of mosquitoes are established at high elevations. West Nile and Usutu viruses were reported to be circulating in wildlife sentinel animals in the Italian Alps in 2005; however, no human cases were detected. Japanese encephalitis virus infections were detected in mosquitoes, pigs, and humans in Tibet, China, in the Nyingchi District at elevation 3,100 m (10,170 ft).

Continue reading to learn more, written by the CDC.

照片缩略图 博客作者
Center for Disease Control Contributors
疾病预防控制中心
Information on the website for the Center for Disease Control.
媒体报道
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