The immunogenic properties of Lassa virus GP1, GP2, and NP polypeptides were studied in rabbits. Lassa virus NP polypeptide, in contrast to GP1 and GP2 polypeptides, was shown to induce the highest titres of antibodies determined by IFA and ELISA tests. Moreover, the antibody relative avidity experiment showed that the anti-NP antibodies has ELISA index of 0.63 whereas anti-GP1 and anti-GP2 antisera had those of 0.49 and 0.28, respectively.
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Hearing Loss in COVID-19 Patients: An Audiological Profile of Symptomatic and Asymptomatic COVID-19 Patients in Qatar.
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Background and objective Viral infections caused by cytomegalovirus, lymphocytic choriomeningitis virus, varicella-zoster virus, herpes simplex type 1 and type 2, rubella, measles, rubeola, HIV, West Nile virus, Lassa virus, and mumps are known to be associated with hearing loss. There have been reports of inner ear involvement in coronavirus disease 2019 (COVID-19) patients but the extent and variations in cochlear involvement of symptomatic and asymptomatic patients has not been adequately described. This study aimed to evaluate the hearing status among symptomatic and asymptomatic COVID-19 patients to address the prospects for routine screening for hearing loss in COVID-19 patients.
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Lassa virus genome consists of two single-stranded, negative-sense RNA segments that lie in the genus Arenavirus. The disease associated with the Lassa virus is distributed all over the world, with approximately 3,000,000-5,000,000 infections diagnosed annually in West Africa. It shows high health risks to the human being.
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