#Travel-Associated #Zika Cases and #Threat of Local #Transmission during Global #Outbreak, #California, #USA (Emerg Infect Dis., abstract)

[Source: US Centers for Disease Control and Prevention (CDC), full page: (LINK). Abstract, edited.]

Volume 24, Number 9—September 2018 / Synopsis

Travel-Associated Zika Cases and Threat of Local Transmission during Global Outbreak, California, USA

Charsey Cole Porse  , Sharon Messenger, Duc J. Vugia, Wendy Jilek, Maria Salas, James Watt, and Vicki Kramer

Author affiliations: California Department of Public Health, Sacramento, California, USA (C.C. Porse, W. Jilek, V. Kramer); California Department of Public Health, Richmond, California, USA (S. Messenger, D.J. Vugia, M. Salas, J. Watt)

 

Abstract

Zika and associated microcephaly among newborns were reported in Brazil during 2015. Zika has since spread across the Americas, and travel-associated cases were reported throughout the United States. We reviewed travel-associated Zika cases in California to assess the potential threat of local Zika virus transmission, given the regional spread of Aedes aegypti and Ae. albopictus mosquitoes. During November 2015–September 2017, a total of 588 travel-associated Zika cases were reported in California, including 139 infections in pregnant women, 10 congenital infections, and 8 sexually transmitted infections. Most case-patients reported travel to Mexico and Central America, and many returned during a period when they could have been viremic. By September 2017, Ae. aegypti mosquitoes had spread to 124 locations in California, and Ae. albopictus mosquitoes had spread to 53 locations. Continued human and mosquito surveillance and public health education are valuable tools in preventing and detecting Zika virus infections and local transmission in California.

Keywords: Zika Virus; Zika Congenital Infection; California; USA; Mosquitoes; Aedes aegypti; Aedes albopictus.

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Giuseppe Michieli

I am an Italian blogger, active since 2005 with main focus on emerging infectious diseases such as avian influenza, SARS, antibiotics resistance, and many other global Health issues. Other fields of interest are: climate change, global warming, geological and biological sciences. My activity consists mainly in collection and analysis of news, public services updates, confronting sources and making decision about what are the 'signals' of an impending crisis (an outbreak, for example). When a signal is detected, I follow traces during the entire course of an event. I started in 2005 my blog ''A TIME'S MEMORY'', now with more than 40,000 posts and 3 millions of web interactions. Subsequently I added an Italian Language blog, then discontinued because of very low traffic and interest. I contributed for seven years to a public forum (FluTrackers.com) in the midst of the Ebola epidemic in West Africa in 2014, I left the site to continue alone my data tracking job.