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Emerging Infectious Diseases

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https://www.readbyqxmd.com/read/28430103/genomic-characterization-of-recrudescent-plasmodium-malariae-after-treatment-with-artemether-lumefantrine
#1
Gavin G Rutledge, Ian Marr, G Khai Lin Huang, Sarah Auburn, Jutta Marfurt, Mandy Sanders, Nicholas J White, Matthew Berriman, Chris I Newbold, Nicholas M Anstey, Thomas D Otto, Ric N Price
Plasmodium malariae is the only human malaria parasite species with a 72-hour intraerythrocytic cycle and the ability to persist in the host for life. We present a case of a P. malariae infection with clinical recrudescence after directly observed administration of artemether/lumefantrine. By using whole-genome sequencing, we show that the initial infection was polyclonal and the recrudescent isolate was a single clone present at low density in the initial infection. Haplotypic analysis of the clones in the initial infection revealed that they were all closely related and were presumably recombinant progeny originating from the same infective mosquito bite...
August 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28430564/effects-of-zika-virus-strain-and-aedes-mosquito-species-on-vector-competence
#2
Alexander T Ciota, Sean M Bialosuknia, Steven D Zink, Matthew Brecher, Dylan J Ehrbar, Madeline N Morrissette, Laura D Kramer
In the Western Hemisphere, Zika virus is thought to be transmitted primarily by Aedes aegypti mosquitoes. To determine the extent to which Ae. albopictus mosquitoes from the United States are capable of transmitting Zika virus and the influence of virus dose, virus strain, and mosquito species on vector competence, we evaluated multiple doses of representative Zika virus strains in Ae. aegypti and Ae. albopictus mosquitoes. Virus preparation (fresh vs. frozen) significantly affected virus infectivity in mosquitoes...
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28430563/norovirus-gii-p16-gii-2-associated-gastroenteritis-china-2016
#3
Yuanyun Ao, Jinjin Wang, Hua Ling, Yaqing He, Xiaogeng Dong, Xuan Wang, Jingyao Peng, Hailong Zhang, Miao Jin, Zhaojun Duan
During October-December 2016, the number of norovirus outbreaks in China increased sharply from the same period during the previous 4 years. We identified a recombinant norovirus strain, GII.P16-GII.2, as the cause of 44 (79%) of the 56 outbreaks, signaling that this strain could replace the predominant GII.4 viruses.
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28430562/competence-of-aedes-aegypti-ae-albopictus-and-culex-quinquefasciatus-mosquitoes-as-zika-virus-vectors-china
#4
Zhuanzhuan Liu, Tengfei Zhou, Zetian Lai, Zhenhong Zhang, Zhirong Jia, Guofa Zhou, Tricia Williams, Jiabao Xu, Jinbao Gu, Xiaohong Zhou, Lifeng Lin, Guiyun Yan, Xiao-Guang Chen
In China, the prevention and control of Zika virus disease has been a public health threat since the first imported case was reported in February 2016. To determine the vector competence of potential vector mosquito species, we experimentally infected Aedes aegypti, Ae. albopictus, and Culex quinquefasciatus mosquitoes and determined infection rates, dissemination rates, and transmission rates. We found the highest vector competence for the imported Zika virus in Ae. aegypti mosquitoes, some susceptibility of Ae...
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28430561/association-of-gii-p16-gii-2-recombinant-norovirus-strain-with-increased-norovirus-outbreaks-guangdong-china-2016
#5
Jing Lu, Ling Fang, Limei Sun, Hanri Zeng, Yanling Li, Huanying Zheng, Siwei Wu, Feng Yang, Tie Song, Jinyan Lin, Changwen Ke, Yonghui Zhang, Jan Vinjé, Hui Li
An unusual prevalence of recombinant GII.2 noroviruses (GII.P16-GII.2) in Guangdong, China, at the end of 2016 caused a sharp increase in outbreaks of acute gastroenteritis. This event was another non-GII.4 epidemic that emerged after the GII.17 viruses in 2014 and 2015 and warrants global surveillance.
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28409739/emergency-meningococcal-acwy-vaccination-program-for-teenagers-to-control-group-w-meningococcal-disease-england-2015-2016
#6
Helen Campbell, Michael Edelstein, Nick Andrews, Ray Borrow, Mary Ramsay, Shamez Ladhani
During the first 12 months of an emergency meningococcal ACWY vaccination program for teenagers in England, coverage among persons who left school in 2015, the first cohort to be vaccinated, was 36.6%. There were 69% fewer group W meningococcal cases than predicted by trend analysis and no cases in vaccinated teenagers.
July 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28296631/live-cell-therapy-as-potential-risk-factor-for-q-fever
#7
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/28368241/seoul-virus-infection-in-humans-france-2014-2016
#8
Jean-Marc Reynes, Damien Carli, Jean-Baptiste Bour, Samir Boudjeltia, Anny Dewilde, Guillaume Gerbier, Timothée Nussbaumer, Véronique Jacomo, Marie-Pierre Rapt, Pierre E Rollin, Alexandra Septfons
We report detection of Seoul virus in 3 patients in France over a 2-year period. These patients accounted for 4 (1.7%) of 434 hantavirus infections reported during this time. More attention should be given to this virus in Europe where surveillance has been focused mostly on Puumala and Dobrava-Belgrade hantaviruses.
June 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28318484/domestic-pig-unlikely-reservoir-for-mers-cov
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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/28192072/persistence-of-zika-virus-in-breast-milk-after-infection-in-late-stage-of-pregnancy
#15
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/28445122/importation-of-zika-virus-from-vietnam-to-japan-november-2016
#16
Takehiro Hashimoto, Satoshi Kutsuna, Shigeru Tajima, Eri Nakayama, Takahiro Maeki, Satoshi Taniguchi, Chang-Kweng Lim, Yuichi Katanami, Nozomi Takeshita, Kayoko Hayakawa, Yasuyuki Kato, Norio Ohmagari
We report a case of Zika virus infection that was imported to Japan by a traveler returning from Vietnam. We detected Zika virus RNA in the patient's saliva, urine, and whole blood. In the Zika virus strain isolated from the urine, we found clearly smaller plaques than in previous strains.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28418830/increased-neurotropic-threat-from-burkholderia-pseudomallei-strains-with-a-b-mallei-like-variation-in-the-bima-motility-gene-australia
#17
Jodie L Morris, Anne Fane, Derek S Sarovich, Erin P Price, Catherine M Rush, Brenda L Govan, Elizabeth Parker, Mark Mayo, Bart J Currie, Natkunam Ketheesan
Neurologic melioidosis is a serious, potentially fatal form of Burkholderia pseudomallei infection. Recently, we reported that a subset of clinical isolates of B. pseudomallei from Australia have heightened virulence and potential for dissemination to the central nervous system. In this study, we demonstrate that this subset has a B. mallei-like sequence variation of the actin-based motility gene, bimA. Compared with B. pseudomallei isolates having typical bimA alleles, isolates that contain the B. mallei-like variation demonstrate increased persistence in phagocytic cells and increased virulence with rapid systemic dissemination and replication within multiple tissues, including the brain and spinal cord, in an experimental model...
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28418829/ctx-m-27-producing-escherichia-coli-of-sequence-type-131-and-clade-c1-m27-france
#18
LETTER
André Birgy, Philippe Bidet, Corinne Levy, Elsa Sobral, Robert Cohen, Stéphane Bonacorsi
No abstract text is available yet for this article.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28418320/antimicrobial-drug-resistance-among-refugees-from-syria-jordan
#19
LETTER
Aula Abbara, Nizar Al-Harbat, Nabil Karah, Bashar Abo-Yahya, Wael El-Amin, James Hatcher, Omar Gabbar
No abstract text is available yet for this article.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28418319/increasing-macrolide-and-fluoroquinolone-resistance-in-mycoplasma-genitalium
#20
Gerald L Murray, Catriona S Bradshaw, Melanie Bissessor, Jennifer Danielewski, Suzanne M Garland, Jørgen S Jensen, Christopher K Fairley, Sepehr N Tabrizi
Escalating resistance to azithromycin and moxifloxacin is being reported for Mycoplasma genitalium in the Asia-Pacific region. Analyzing 140 infections, we found pretreatment fluoroquinolone-resistance mutations in parC (13.6%) and gyrA (5%). ParC S83 changes were associated with moxifloxacin failure. Combined macrolide/fluoroquinolone-resistance mutations were in 8.6% of specimens, for which recommended therapies would be ineffective.
May 2017: Emerging Infectious Diseases
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