Sylvan virus

This article has been cited by other articles in PMC. Go to:. Trapping We trapped simultaneously in peridomestic and nearby sylvan settings at each site. Data analysis We compared total capture frequencies of the most abundant species in peridomestic versus sylvan settings at each site using chi-square analysis Zar Rodent communities Between January and December , we captured individuals of 14 species in trap-nights TN 5. Open in a separate window. Temporal variation in O.

Table 1. Sylvan versus peridomestic prevalence of ANDV antibodies We tested blood samples for ANDV antibodies from all individuals with the exception of murid species captured in sylvan and peridomestic settings. Table 2. Lag Coefficient T p H vs. Armstrong LR. Zaki SR. Goldoft MH. Todd RL, et al. Hantavirus pulmonary syndrome associated with entering or cleaning rarely used rodent-infected structures.

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Muthukumaran U. Synthesis and characterization of silver nanoparticles using Gmelina asiatica leaf extract against filariasis, dengue, and malaria vector mosquitoes. Mayaro virus and Chikungunya virus both belong to the family Togaviridae. The symptoms of the diseases they cause in humans are similar, but their structures are slightly different.

Chikungunya is transmitted by the bite of female mosquitoes of the species Aedes aegypti and A. The main symptoms in most cases are high fever, headache, joint and muscle pain, nausea, fatigue and rash. Joint pain can remain acute for several years. Mayaro is transmitted by a sylvan vector, the mosquito Haemagogus spp. The main symptoms are sudden onset of fever, rash, dizziness, chills, headache and muscle pain. Severe cases also involve joint pain, which may or may not be accompanied by edema.

No vaccines exist for either disease. Cross-protection is unusual but not unknown to immunologists. The case of dengue, for example, which is a flavivirus, is more complex. The immune response to each one is different. Confirmation of cross-protection between Mayaro and Chikungunya also explains why the former disease is not circulating widely in Brazilian cities despite the occurrence of outbreaks in recent years and the warnings put out by health authorities.