Third Human Case Of West Nile Virus Reported In Mass.

BOSTON (CBS) – The third human case of West Nile Virus has been announced by the Massachusetts Department of Public Health. A man in his 60s from Middlesex County was exposed to the virus last month. “We continue to emphasize the need for people to protect themselves from mosquito bites,” said Public Health Commissioner Monica Bharel, MD, MPH. “Although mosquito populations are declining, some risk will continue until the first hard frost.” CHECK: Map Of Communities At Risk For EEE, WNV The other two human cases of WNV this year were another man in his 60s from Middlesex County and a man in his 50s from Plymouth County. There have also been 12 human cases of mosquito-borne Eastern Equine Encephalitis in Massachusetts this year.
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - Category: Consumer Health News Authors: Tags: Boston News Health Syndicated CBSN Boston Syndicated Local Eastern Equine Encephalitis EEE West Nile Virus Source Type: news

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The temperature-dependence of many important mosquito-borne diseases has never been quantified. These relationships are critical for understanding current distributions and predicting future shifts from climate change. We used trait-based models to characterize temperature-dependent transmission of 10 vector –pathogen pairs of mosquitoes (Culex pipiens,Cx. quinquefascsiatus,Cx. tarsalis, and others) and viruses (West Nile, Eastern and Western Equine Encephalitis, St. Louis Encephalitis, Sindbis, and Rift Valley Fever viruses), most with substantial transmission in temperate regions. Transmission is optimized at inter...
Source: eLife - Category: Biomedical Science Tags: Ecology Epidemiology and Global Health Source Type: research
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Source: Protein Science - Category: Biochemistry Authors: Tags: Article Source Type: research
We describe a case of dementia with Lewy bodies immediately following encephalitis due to West Nile virus (WNV). The patient had rapid eye movement-sleep behavior disorder and constipation before the onset of encephalitis, which suggests that he would have ultimately developed dementia with Lewy bodies even without WNV infection. Our case illustrates the interactions between α-synuclein and WNV, as observed in mouse models, wherein synuclein expression augments after WNV infection and protects neurons against the virus. PMID: 32809984 [PubMed - as supplied by publisher]
Source: Alzheimer Disease and Associated Disorders - Category: Psychiatry Tags: Alzheimer Dis Assoc Disord Source Type: research
Abstract Arthropod-borne viruses (arboviruses) are globally widespread, and their transmission cycles typically involve numerous vertebrate species. Serologic testing of animal hosts can provide a routine surveillance approach to monitoring animal disease systems, can provide a surveillance alternative to arthropod testing and human case reports, and may augment knowledge of epizootiology. Wild and captive ruminants represent good candidate sentinels to track geographic distribution and prevalence of select arboviruses. They often are geographically widespread and abundant, inhabit areas shared by humans and domes...
Source: The American Journal of Tropical Medicine and Hygiene - Category: Tropical Medicine Authors: Tags: Am J Trop Med Hyg Source Type: research
BOSTON (CBS) – Dr. Mallika Marshall is answering your coronavirus-related medical questions. If you have a question for Dr. Mallika, email her or message her on Facebook or Twitter. Dr. Mallika is offering her best advice, but as always, consult your personal doctor before making any decisions about your personal health. My husband and I plan to be the first in line for a new coronavirus vaccine but my step-son is an anti-vaxxer. Will we have to continue to stay away from him after we are vaccinated? – Jean We just don’t know how effective these vaccines in development will be but...
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - Category: Consumer Health News Authors: Tags: Boston News Health Syndicated Local Coronavirus Dr. Mallika Marshall Source Type: news
We report the first probable case of JE chorioretinitis acquired by a 45-year-old Australian traveler to Bali. This case highlights the importance of a detailed ocular examination when there is clinical suspicion of JE. PMID: 32783793 [PubMed - as supplied by publisher]
Source: The American Journal of Tropical Medicine and Hygiene - Category: Tropical Medicine Authors: Tags: Am J Trop Med Hyg Source Type: research
Abstract West Nile virus (WNV) is an emerging human pathogen responsible for a systemic disease with generally indolent clinical course in immunocompetent hosts. Solid organ transplant recipients are vulnerable to WNV-induced encephalitis (WNVE) with no effective treatment and high mortality. We systematically assess various nuclei of the central nervous system in two human autopsy cases of WMVE using in situ hybridization (ISH) in combination with immunohistochemistry (IHC). We identify several types of projection neurons as exclusively affected in WNVE. Cellular and molecular mechanisms of anti-viral innate immu...
Source: Clinical Neuropathology - Category: Pathology Authors: Tags: Clin Neuropathol Source Type: research
This study demonstrates the important role that surveillance plays in public health and strongly suggests the circulation of JEV among wildlife in Singapore, despite the absence of reported human cases. A One Health approach involving surveillance, the collaboration between public health and wildlife managers, and control of mosquito populations remains the key measures in risk mitigation of JEV transmission in the enzootic cycle between birds and mosquitoes. PMID: 32700679 [PubMed - as supplied by publisher]
Source: The American Journal of Tropical Medicine and Hygiene - Category: Tropical Medicine Authors: Tags: Am J Trop Med Hyg Source Type: research
AbstractWe evaluated the seroprevalence of Saint Louis encephalitis virus (SLEV) and West Nile virus (WNV) in dogs and cats in C órdoba, Argentina. Monotypic and heterotypic serological patterns were differentiated by means of a neutralization test. The SLEV seroprevalence in dogs was 14.6% (44/302; 100% monotypic). Two out of 94 (2.1%, 100% monotypic) cats were positive for WNV only. Four dogs (1.3%) exhibited neutralizing antibody titers against SLEV and WNV. During the study, three dogs seroconverted to SLEV. Our study demonstrates that pets were useful for detecting viral activity and could be considered as sent...
Source: Archives of Virology - Category: Virology Source Type: research
The case report presented a patient who was diagnosed with West Nile virus encephalitis and developed new onset of Bell's palsy within 8  days of diagnosis. Given the incidence of WNV, it would be beneficial to evaluate WNV‐infected patients for peripheral neuropathy which nowadays has quite practical implication. AbstractThe case report presented a patient who was diagnosed with West Nile virus encephalitis and developed new onset of Bell's palsy within 8  days of diagnosis. Given the incidence of WNV, it would be beneficial to evaluate WNV‐infected patients for peripheral neuropathy which nowadays has quite...
Source: Clinical Case Reports - Category: General Medicine Authors: Tags: CASE REPORT Source Type: research
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