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Emerging Infectious Diseases

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https://www.readbyqxmd.com/read/28296631/live-cell-therapy-as-potential-risk-factor-for-q-fever
#1
Maja George, Andreas Reich, Klaus Cussler, Herrmann Jehl, Florian Burckhardt
During an outbreak of Q fever in Germany, we identified an infected sheep flock from which animals were routinely used as a source for life cell therapy (LCT), the injection of fetal cells or cell extracts from sheep into humans. Q fever developed in 7 LCT recipients from Canada, Germany, and the United States.
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28318484/domestic-pig-unlikely-reservoir-for-mers-cov
#2
Emmie de Wit, Friederike Feldmann, Eva Horne, Cynthia Martellaro, Elaine Haddock, Trenton Bushmaker, Kyle Rosenke, Atsushi Okumura, Rebecca Rosenke, Greg Saturday, Dana Scott, Heinz Feldmann
We tested the suitability of the domestic pig as a model for Middle East respiratory syndrome coronavirus (MERS-CoV) infection. Inoculation did not cause disease, but a low level of virus replication, shedding, and seroconversion were observed. Pigs do not recapitulate human MERS-CoV and are unlikely to constitute a reservoir in nature.
June 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28296632/severe-neurologic-disorders-in-2-fetuses-with-zika-virus-infection-colombia
#3
Jorge Acosta-Reyes, Edgar Navarro, Maria José Herrera, Eloina Goenaga, Martha L Ospina, Edgar Parra, Marcela Mercado, Pablo Chaparro, Mauricio Beltran, Maria Luz Gunturiz, Lissethe Pardo, Catalina Valencia, Sandra Huertas, Jorge Rodríguez, Germán Ruiz, Diana Valencia, Lisa B Haddad, Sarah C Tinker, Cynthia A Moore, Hernando Baquero
We report the results of pathologic examinations of 2 fetuses from women in Colombia with Zika virus infection during pregnancy that revealed severe central nervous system defects and potential associated abnormalities of the eye, spleen, and placenta. Amniotic fluid and tissues from multiple fetal organs tested positive for Zika virus.
June 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28277199/vertical-transmission-of-zika-virus-by-aedes-aegypti-and-ae-albopictus-mosquitoes
#4
Alexander T Ciota, Sean M Bialosuknia, Dylan J Ehrbar, Laura D Kramer
To determine the potential role of vertical transmission in Zika virus expansion, we evaluated larval pools of perorally infected Aedes. aegypti and Ae. albopictus adult female mosquitoes; ≈1/84 larvae tested were Zika virus-positive; and rates varied among mosquito populations. Thus, vertical transmission may play a role in Zika virus spread and maintenance.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28277198/estimated-incubation-period-for-zika-virus-disease
#5
Elisabeth R Krow-Lucal, Brad J Biggerstaff, J Erin Staples
Information about the Zika virus disease incubation period can help identify risk periods and local virus transmission. In 2015-2016, data from 197 symptomatic travelers with recent Zika virus infection indicated an estimated incubation period of 3-14 days. For symptomatic persons with symptoms >2 weeks after travel, transmission might be not travel associated.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28263141/use-of-blood-donor-screening-data-to-estimate-zika-virus-incidence-puerto-rico-april-august-2016
#6
Michelle S Chevalier, Brad J Biggerstaff, Sridhar V Basavaraju, M Cheryl Bañez Ocfemia, Jose O Alsina, Consuelo Climent-Peris, Robin R Moseley, Koo-Whang Chung, Brenda Rivera-García, Melissa Bello-Pagán, Lisa L Pate, Susan A Galel, Phillip Williamson, Matthew J Kuehnert
Puerto Rico has been heavily impacted by Zika virus, a mosquitoborne flavivirus that emerged in the Americas during 2015. Although most persons with Zika virus show no symptoms, the virus can cause neurologic and other complications, including fetal microcephaly. Local Zika virus transmission in Puerto Rico has been reported since December 2015. To prevent transfusion-associated transmission, local blood collection ceased in March 2016 but resumed in April 2016 after Zika virus screening of blood donations became available...
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28257281/zika-virus-infection-and-prolonged-viremia-in-whole-blood-specimens
#7
Jean Michel Mansuy, Catherine Mengelle, Christophe Pasquier, Sabine Chapuy-Regaud, Pierre Delobel, Guillaume Martin-Blondel, Jacques Izopet
We tested whole-blood and plasma samples from immunocompetent patients who had had benign Zika virus infections and found that Zika virus RNA persisted in whole blood substantially longer than in plasma. This finding may have implications for diagnosis of acute symptomatic and asymptomatic infections and for testing of blood donations.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28240976/reassortant-clade-2-3-4-4-avian-influenza-a-h5n6-virus-in-a-wild-mandarin-duck-south-korea-2016
#8
Jung-Hoon Kwon, Dong-Hun Lee, David E Swayne, Jin-Yong Noh, Seong-Su Yuk, Tseren-Ochir Erdene-Ochir, Woo-Tack Hong, Jei-Hyun Jeong, Sol Jeong, Gyeong-Bin Gwon, Seok Lee, Chang-Seon Song
A reassortant clade 2.3.4.4 avian influenza A(H5N6) virus was isolated from a fecal sample of a Mandarin duck (Aix galericulata) in South Korea during October 2016. This virus was genetically similar to H5N6 subtype virus isolates from China, Vietnam, Laos, and Hong Kong, including human isolates.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28192072/persistence-of-zika-virus-in-breast-milk-after-infection-in-late-stage-of-pregnancy
#9
José R Sotelo, Andre B Sotelo, Fabio J B Sotelo, André M Doi, Joao R R Pinho, Rita de Cassia Oliveira, Alanna M P S Bezerra, Alice D Deutsch, Lucy S Villas-Boas, Alvina C Felix, Camila M Romano, Clarisse M Machado, Maria C J Mendes-Correa, Rubia A F Santana, Fernando G Menezes, Cristovao L P Mangueira
We detected Zika virus in breast milk of a woman in Brazil infected with the virus during the 36th week of pregnancy. Virus was detected 33 days after onset of signs and symptoms and 9 days after delivery. No abnormalities were found during fetal assessment or after birth of the infant.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28035898/mycobacterium-chimaera-in-heater-cooler-units-in-denmark-related-to-isolates-from-the-united-states-and-united-kingdom
#10
Erik Svensson, Elsebeth Tvenstrup Jensen, Erik Michael Rasmussen, Dorte Bek Folkvardsen, Anders Norman, Troels Lillebaek
Mycobacterium chimaera was present at high rates (>80%) in heater-cooler units (HCUs) from all 5 thoracic surgery departments in Denmark. Isolates were clonal to HCU-associated isolates from the United States (including some from patients) and United Kingdom. However, M. chimaera from 2 brands of HCU were genetically distinct.
March 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28005002/zika-virus-vector-competency-of-mosquitoes-gulf-coast-united-states
#11
Charles E Hart, Christopher M Roundy, Sasha R Azar, Jing H Huang, Ruimei Yun, Erin Reynolds, Grace Leal, Martin R Nava, Jeremy Vela, Pamela M Stark, Mustapha Debboun, Shannan Rossi, Nikos Vasilakis, Saravanan Thangamani, Scott C Weaver
Zika virus has recently spread throughout the Americas. Although Aedes aegypti mosquitoes are considered the primary vector, Culex quinquefasciatus and mosquitoes of other species may also be vectors. We tested Cx. quinquefasciatus and Ae. taeniorhynchus mosquitoes from the US Gulf Coast; both were refractory to infection and incapable of transmission.
March 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27869604/molecular-spatial-and-field-epidemiology-suggesting-tb-transmission-in-community-not-hospital-gaborone-botswana
#12
Diya Surie, Othusitse Fane, Alyssa Finlay, Matsiri Ogopotse, James L Tobias, Eleanor S Click, Chawangwa Modongo, Nicola M Zetola, Patrick K Moonan, John E Oeltmann
During 2012-2015, 10 of 24 patients infected with matching genotypes of Mycobacterium tuberculosis received care at the same hospital in Gaborone, Botswana. Nosocomial transmission was initially suspected, but we discovered plausible sites of community transmission for 20 (95%) of 21 interviewed patients. Active case-finding at these sites could halt ongoing transmission.
March 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28287375/variation-in-aedes-aegypti-mosquito-competence-for-zika-virus-transmission
#13
Christopher M Roundy, Sasha R Azar, Shannan L Rossi, Jing H Huang, Grace Leal, Ruimei Yun, Ildefonso Fernandez-Salas, Christopher J Vitek, Igor A D Paploski, Uriel Kitron, Guilherme S Ribeiro, Kathryn A Hanley, Scott C Weaver, Nikos Vasilakis
To test whether Zika virus has adapted for more efficient transmission by Aedes aegypti mosquitoes, leading to recent urban outbreaks, we fed mosquitoes from Brazil, the Dominican Republic, and the United States artificial blood meals containing 1 of 3 Zika virus strains (Senegal, Cambodia, Mexico) and monitored infection, dissemination, and virus in saliva. Contrary to our hypothesis, Cambodia and Mexica strains were less infectious than the Senegal strain. Only mosquitoes from the Dominican Republic transmitted the Cambodia and Mexica strains...
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28287374/ebola-virus-rna-in-semen-from-an-hiv-positive-survivor-of-ebola
#14
Lawrence J Purpura, Emerson Rogers, April Baller, Stephen White, Moses Soka, Mary J Choi, Nuha Mahmoud, Christine Wasunna, Moses Massaquoi, Jomah Kollie, Straker Dweh, Philip Bemah, Victor Ladele, Jonathan Kpaka, Mary Jawara, Margaret Mugisha, Onyekachi Subah, Mylene Faikai, Jeff A Bailey, Pierre Rollin, Barbara Marston, Tolbert Nyenswah, Alex Gasasira, Barbara Knust, Stuart Nichol, Desmond Williams
Ebola virus is known to persist in semen of male survivors of Ebola virus disease (EVD). However, maximum duration of, or risk factors for, virus persistence are unknown. We report an EVD survivor with preexisting HIV infection, whose semen was positive for Ebola virus RNA 565 days after recovery from EVD.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28287373/cord-blood-sample-screening-for-evidence-of-maternal-chagas-disease
#15
LETTER
Susan P Montgomery, Susan L Stramer
No abstract text is available yet for this article.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28169827/highly-pathogenic-avian-influenza-a-h5n8-virus-in-wild-migratory-birds-qinghai-lake-china
#16
Mingxin Li, Haizhou Liu, Yuhai Bi, Jianqing Sun, Gary Wong, Di Liu, Laixing Li, Juxiang Liu, Quanjiao Chen, Hanzhong Wang, Yubang He, Weifeng Shi, George F Gao, Jianjun Chen
In May 2016, a highly pathogenic avian influenza A(H5N8) virus strain caused deaths among 3 species of wild migratory birds in Qinghai Lake, China. Genetic analysis showed that the novel reassortant virus belongs to group B H5N8 viruses and that the reassortment events likely occurred in early 2016.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28117032/assessing-sensitivity-and-specificity-of-surveillance-case-definitions-for-zika-virus-disease
#17
Angela Chow, Hanley Ho, Mar-Kyaw Win, Yee-Sin Leo
We evaluated performance of 5 case definitions for Zika virus disease surveillance in a human cohort during an outbreak in Singapore, August 26-September 5, 2016. Because laboratory tests are largely inaccessible, use of case definitions that include rash as a required clinical feature are useful in identifying this disease.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28117031/novel-reassortant-highly-pathogenic-avian-influenza-h5n8-virus-in-zoos-india
#18
Shanmugasundaram Nagarajan, Manoj Kumar, Harshad V Murugkar, Sushil Tripathi, Shweta Shukla, Sonam Agarwal, Garima Dubey, Raunaq Singh Nagi, Vijendra Pal Singh, Chakradhar Tosh
Highly pathogenic avian influenza (H5N8) viruses were detected in waterfowl at 2 zoos in India in October 2016. Both viruses were different 7:1 reassortants of H5N8 viruses isolated in May 2016 from wild birds in the Russian Federation and China, suggesting virus spread during southward winter migration of birds.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28084987/zika-virus-seroprevalence-french-polynesia-2014-2015
#19
Maite Aubry, Anita Teissier, Michael Huart, Sébastien Merceron, Jessica Vanhomwegen, Claudine Roche, Anne-Laure Vial, Sylvianne Teururai, Sébastien Sicard, Sylvie Paulous, Philippe Desprès, Jean-Claude Manuguerra, Henri-Pierre Mallet, Didier Musso, Xavier Deparis, Van-Mai Cao-Lormeau
During 2013-2014, French Polynesia experienced an outbreak of Zika virus infection. Serosurveys conducted at the end of the outbreak and 18 months later showed lower than expected disease prevalence rates (49%) and asymptomatic:symptomatic case ratios (1:1) in the general population but significantly different prevalence rates (66%) and asymptomatic:symptomatic ratios (1:2) in schoolchildren.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28075325/detection-of-zika-virus-in-desiccated-mosquitoes-by-real-time-reverse-transcription-pcr-and-plaque-assay
#20
Kristen L Burkhalter, Harry M Savage
We assayed Zika virus-infected mosquitoes stored at room temperature for <30 days for live virus by using plaque assay and virus RNA by using real-time reverse transcription PCR. Viable virus was detected in samples stored <10 days, and virus RNA was detected in samples held for 30 days.
April 2017: Emerging Infectious Diseases
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