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ASIA syndrome and vaccines

Kamal Niaz, Mohammad Abdollahi
Zika virus (ZIKV) is a deadly flavivirus that has spread from Africa to Asia and European countries. The virus is associated with other viruses in the same genus or family, transmitted by the same mosquito species with known history of fatality. A sudden increase in the rate of infection from ZIKV has made it a global health concern, which necessitates close symptom monitoring, enhancing treatment options, and vaccine production. This paper reviewed current reports on birth defects associated with ZIKV, mode of transmission, body fluids containing the virus, diagnosis , possible preventive measures or treatments, and vaccine development...
October 18, 2016: Infectious Disorders Drug Targets
David S Younger
Zika virus is an arbovirus belonging to the Flaviviridae family known to cause mild clinical symptoms similar to those of dengue and chikungunya. Zika is transmitted by different species of Aedes mosquitoes. Nonhuman primates and possibly rodents play a role as reservoirs. Direct interhuman transmission has also been reported. Human cases have been reported in Africa and Asia, Easter Island, the insular Pacific region, and Brazil. Its clinical profile is that of a dengue-like febrile illness, but recently associated Guillain-Barre syndrome and microcephaly have appeared...
November 2016: Neurologic Clinics
Tatjana Avšic Županc, Miroslav Petrovec
Zika virus is a mosquito-borne flavivirus that represents a public health emergency at the ongoing epidemic. This obscure virus was limited to sporadic cases in Africa and Asia, until the emergence of Zika virus in Brazil in 2015, when it rapidly spread throughout the Americas. Most Zika virus infections are subclinical or characterized by mild febrile illness. However, neurological complications, including Guillain-Barré syndrome in adults, and congenital anomalies, including microcephaly in babies born to infected mothers, raised a grave concern...
December 1, 2016: Zdravstveno Varstvo
Yue Wu, James Wood, Gulam Khandaker, Claire Waddington, Thomas Snelling
An estimated 110,000 babies are born with congenital rubella syndrome (CRS) worldwide annually; a significant proportion of cases occur in Southeast Asia. Rubella vaccine programs have led to successful control of rubella and CRS, and even the elimination of disease in many countries. However, if vaccination is poorly implemented it might increase the number of women reaching childbearing age who remain susceptible to rubella and thereby paradoxically increase CRS. We used an age-structured transmission model to compare seven alternative vaccine strategies for their impact on reducing CRS disease burden in East Java, a setting which is yet to implement a rubella vaccine program...
September 23, 2016: Vaccine
Osamu Hotta, Ayaki Tanaka, Akira Torigoe, Kazuaki Imai, Norio Ieiri
The epipharynx is an immunologically active site even under normal conditions, and enhanced immunologic activation is prone to occur in response to an upper respiratory infection, air pollution, and possibly to vaccine adjuvants. Due to the potential link between the central nervous system and immune function, a relationship between epipharyngitis and autonomic nervous disturbance as well as autoimmune disease has been suggested. Various functional somatic symptoms have been described after human papillomavirus (HPV) vaccination, although a causal relationship has not been established...
September 3, 2016: Immunologic Research
Gustavo Guimarães Moreira Balbi, Ricardo Azêdo Montes, Verônica Silva Vilela, Marcella Azevedo Borges Andrade, Monisa Martins Nóbrega, Luna Azulay-Abulafia, Roberto Souto da Silva, Evandro Mendes Klumb, Roger Abramino Levy
The term autoimmune/autoinflammatory syndrome induced by adjuvants (ASIA) or Shoenfeld's syndrome refers to a wide group of immune-mediated diseases triggered by external agents. Several substances, such as vaccine adjuvants, squalene and silicone implants, are implied in the pathogenesis of ASIA syndrome. Treatment and prognosis of this complex condition are not completely known due to lack of good quality evidence. After a brief introductory literature review on ASIA, we report here two cases of patients that developed rapidly progressive systemic sclerosis clinical features after multiple intramuscular local injections of a substance recommended by a non-medical professional called ADE...
August 11, 2016: Immunologic Research
Ivana Hrnjaković Cvjetković, Dejan Cvjetković, Aleksandra Patić, Jelena Radovanov, Gordana Kovacević, Vesna Milosević
INTRODUCTION: Tick-borne meningoencephalitis virus is a flavivirus that causes the most important vector-borne central nervous system infection in many countries of Europe and Asia. There are three subtypes of tick-borne encephalitis virus: European, Siberian and the Far-Eastern subtype. TRANSMISSION: In endemic areas, the virus remains in transmissive cycles between Ixodes ticks and small rodents. CLINICAL PICTURE: In most cases (70-98%) infection goes asymptomatically...
March 2016: Medicinski Pregled
Beniamino Palmieri, Dimitri Poddighe, Maria Vadalà, Carmen Laurino, Carla Carnovale, Emilio Clementi
Human papilloma virus (HPV) is recognized as a major cause for cervical cancer among women worldwide. Two HPV vaccines are currently available: Gardasil(®) and Cervarix(®). Both vaccines enclose viral antigenic proteins, but differ as to the biological systems of culture and the adjuvant components. Recently, a collection of symptoms, indicating nervous system dysfunction, has been described after HPV vaccination. We retrospectively described a case series including 18 girls (aged 12-24 years) referred to our "Second Opinion Medical Network" for the evaluation of "neuropathy with autonomic dysfunction" after HPV vaccination...
August 9, 2016: Immunologic Research
Ziyu Liu, Fang Wang, Lijuan Yuan, Xiaoxiao Zhang, Qikang Ying, Lan Yu, Liang Zhang, Linfeng Cheng, Fanglin Zhang, Jianguo Lu, Xing'an Wu
Hemorrhagic fever with renal syndrome (HFRS) is a severe, viral zoonotic disease which occurs worldwide, particularly in Asia and Europe. In China, the Hantaan virus (HTNV) and the Seoul virus (SEOV) are known to be the most prevalent causative agents of HFRS. Since no protective vaccines or effective treatments are available for human use, accurate and reliable diagnostic methods are essential for disease surveillance. In the present study, the viral loads in cell culture supernatant, infected mice blood and clinical serum samples were quantified using the SYBR‑Green I-based reverse transcription-quantitiative polymerase chain reaction (RT-qPCR) assay, which targeted the S gene sequence of the HTNV and SEOV genomes...
September 2016: International Journal of Molecular Medicine
S Aswathyraj, G Arunkumar, E K Alidjinou, D Hober
Hand, foot, and mouth disease (HFMD) is a contagious viral disease and mainly affects infants and young children. The main manifestations are fever, vesicular rashes on hand, feet and buttocks and ulcers in the oral mucosa. Usually, HFMD is self-limiting, but a small proportion of children may experience severe complications such as meningitis, encephalitis, acute flaccid paralysis and neurorespiratory syndrome. Historically, outbreaks of HFMD were mainly caused by two enteroviruses: the coxsackievirus A16 (CV-A16) and the enterovirus 71 (EV-A71)...
October 2016: Medical Microbiology and Immunology
Shuo Zhang, Dexin Li
Since Zika virus (ZIKV) has firstly been isolated in 1947, Uganda, outbreaks of Zika fever have been reported in many areas such as in Africa, Southeast Asia and America. Imported cases in China also have been reported. Zika virus belongs to the family Flaviviridae, genus Flavivirus, and include Africa subtype and Asia subtype. It is a mosquito-borne virus primarily transmitted by Aedes aegypti mosquitoes. Sexual transmission, Blood transmission and mother-to-fetus transmission were also reported. Zika virus can go though blood-brain barrier and infect central nervous system...
January 2016: Bing du Xue Bao, Chinese Journal of Virology
Serena Colafrancesco, Carlo Perricone, Yehuda Shoenfeld
Sjögren's syndrome (SS), a chronic systemic autoimmune inflammatory condition involving the exocrine glands, has been suggested to be part of the spectrum of the Autoimmune/ inflammatory Syndrome Induced by Adjuvants (ASIA). ASIA incorporates an umbrella of clinical conditions including siliconosis, macrophage myofasciitis syndrome, and post-vaccination phenomena that occur after the exposure to a substance, namely the adjuvant. Interestingly, SS and ASIA share several common features. Firstly, a shared pathogenic mechanism involving a disruption of the immune system balance, with B cell proliferation, cytokine production and tissue infiltration, has been proposed...
March 2016: Israel Medical Association Journal: IMAJ
J David Beckham, Daniel M Pastula, Aaron Massey, Kenneth L Tyler
IMPORTANCE: Zika virus (ZIKV) is an emerging arthropod-borne virus (arbovirus) in the genus Flavivirus that has caused a widespread outbreak of febrile illness, is associated with neurological disease, and has spread across the Pacific to the Americas in a short period. OBSERVATIONS: In this review, we discuss what is currently known about ZIKV, neuroimmunologic complications, and the impact on global human health. Zika virus spread across Africa and Asia in part owing to unique genomic evolutionary conditions and pressures resulting in specific human disease manifestations, complications, and pathogenesis...
July 1, 2016: JAMA Neurology
Fatih Şahiner
Zika virus (ZIKV) is an enveloped RNA virus that belongs to the Flaviviridae family. Although more than 60 years have passed since the discovery and first reported human cases of the virus, only a small number (< 10) of cases had been encountered in the literature until the last 10 years. Zika virus was known as a virus which caused sporadic infections and was confined to Africa and Asia along a narrow equatorial line. In 2007, however, the first major outbreak of ZIKV occurred in Yap Island (Micronesia), and so it was reported for the first time outside of Africa and Asia...
April 2016: Mikrobiyoloji Bülteni
Timothy M Block, Harvey J Alter, W Thomas London, Mike Bray
The discovery in 1965 of the "Australia antigen," subsequently identified as the hepatitis B virus surface antigen (HBsAg), was such a watershed event in virology that it is often thought to mark the beginning of hepatitis research, but it is more accurately seen as a critical breakthrough in a long effort to understand the pathogenesis of infectious hepatitis. A century earlier, Virchow provided an authoritative explanation of "catarrhal jaundice," which did not consider an infectious etiology, but the transmission of jaundice by human serum was clearly identified in two outbreaks in 1885, and the distinction between "infectious" and "serum" hepatitis was recognized by the early 1920s...
July 2016: Antiviral Research
Anna R Plourde, Evan M Bloch
Zika virus is a mosquitoborne flavivirus that is the focus of an ongoing pandemic and public health emergency. Previously limited to sporadic cases in Africa and Asia, the emergence of Zika virus in Brazil in 2015 heralded rapid spread throughout the Americas. Although most Zika virus infections are characterized by subclinical or mild influenza-like illness, severe manifestations have been described, including Guillain-Barre syndrome in adults and microcephaly in babies born to infected mothers. Neither an effective treatment nor a vaccine is available for Zika virus; therefore, the public health response primarily focuses on preventing infection, particularly in pregnant women...
July 2016: Emerging Infectious Diseases
Hui-Lan Chen, Ren-Bin Tang
Prior to 2015, Zika Virus (ZIKV) outbreaks had occurred in areas of Africa, Southeast Asia, and the Pacific Islands. Although a causal relationship between Zika infection during pregnancy and microcephaly is strongly suspected, such a connection has not yet been scientifically proven. In May 2015, the outbreak of ZIKV infection in Brazil led to reports of syndrome and pregnant women giving birth to babies with birth defects and poor pregnancy outcomes; the Pan American Health Organization (PAHO) issued an alert regarding the first confirmed ZIKV infection in Brazil...
April 2016: Journal of the Chinese Medical Association: JCMA
Scott C Weaver, Federico Costa, Mariano A Garcia-Blanco, Albert I Ko, Guilherme S Ribeiro, George Saade, Pei-Yong Shi, Nikos Vasilakis
Zika virus (ZIKV), a previously obscure flavivirus closely related to dengue, West Nile, Japanese encephalitis and yellow fever viruses, has emerged explosively since 2007 to cause a series of epidemics in Micronesia, the South Pacific, and most recently the Americas. After its putative evolution in sub-Saharan Africa, ZIKV spread in the distant past to Asia and has probably emerged on multiple occasions into urban transmission cycles involving Aedes (Stegomyia) spp. mosquitoes and human amplification hosts, accompanied by a relatively mild dengue-like illness...
June 2016: Antiviral Research
Emilia Vynnycky, Elisabeth J Adams, Felicity T Cutts, Susan E Reef, Ann Marie Navar, Emily Simons, Lay-Myint Yoshida, David W J Brown, Charlotte Jackson, Peter M Strebel, Alya J Dabbagh
BACKGROUND: The burden of Congenital Rubella Syndrome (CRS) is typically underestimated in routine surveillance. Updated estimates are needed following the recent WHO position paper on rubella and recent GAVI initiatives, funding rubella vaccination in eligible countries. Previous estimates considered the year 1996 and only 78 (developing) countries. METHODS: We reviewed the literature to identify rubella seroprevalence studies conducted before countries introduced rubella-containing vaccination (RCV)...
2016: PloS One
Sudhir Khanal, Tika Ram Sedai, Ganga Ram Choudary, Jagat Narain Giri, Rajendra Bohara, Rajendra Pant, Mukunda Gautam, Umid M Sharapov, James L Goodson, James Alexander, Alya Dabbagh, Peter Strebel, Robert T Perry, Sunil Bah, Nihal Abeysinghe, Arun Thapa
In 2013, the 66th session of the Regional Committee of the World Health Organization (WHO) South-East Asia Region (SEAR) established a goal to eliminate measles and to control rubella and congenital rubella syndrome (CRS) in SEAR by 2020. Current recommended measles elimination strategies in the region include 1) achieving and maintaining ≥95% coverage with 2 doses of measles-containing vaccine (MCV) in every district, delivered through the routine immunization program or through supplementary immunization activities (SIAs); 2) developing and sustaining a sensitive and timely measles case-based surveillance system that meets minimum recommended performance indicators; 3) developing and maintaining an accredited measles laboratory network; and 4) achieving timely identification, investigation, and response to measles outbreaks...
March 4, 2016: MMWR. Morbidity and Mortality Weekly Report
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