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Incidence of Scrub Typhus in Rural South India.
N Engl J Med
March 2025
Department of Disease Control, London School of Hygiene and Tropical Medicine, London.
Background: Hospital studies suggest that scrub typhus is a leading cause of severe undifferentiated fever in regions across Asia where the disease is endemic, but the population-based incidence of infection and illness has been little studied.
Methods: We conducted a population-based cohort study to assess epidemiologic and clinical characteristics of scrub typhus in 37 villages in Tamil Nadu, India, where the disease is highly endemic. Study participants were visited every 6 to 8 weeks over a period of 2 years; a venous blood sample was obtained from those who had had fever since the last visit.
Prevalence and pattern of adverse events following COVID-19 vaccination among adult population in Sokoto metropolis, northwest, Nigeria.
PLoS One
March 2025
Department of Pharmacology and Therapeutics, Usmanu Danfodiyo University, Sokoto, Nigeria.
Background: COVID-19 still poses a major public health challenge worldwide and vaccination remains one of the major interventions to control the disease. Different types of vaccines approved by the World Health Organization (WHO) are currently in use across the world to protect against the disease. This study assessed the prevalence and pattern of adverse events following immunization (AEFI) after receiving COVID-19 vaccine (the Oxford-AstraZeneca vaccine) among the adult population in Sokoto metropolis, North-west, Nigeria.
View Article and Find Full Text PDFPlasmacytoid dendritic cell sensing of African swine fever virus-infected macrophages results in STING-dependent robust interferon-α production.
J Immunol
January 2025
Institute of Virology and Immunology, Mittelhäusern, Switzerland.
While several African swine fever virus (ASFV)-encoded proteins potently interfere with the cGAS-STING (cyclic GMP-AMP synthetase-stimulator of interferon genes) pathway at different levels to suppress interferon (IFN) type I production in infected macrophages, systemic IFN-α is induced during the early stages of AFSV infection in pigs. The present study elucidates a mechanism by which such responses can be triggered, at least in vitro. We demonstrate that infection of monocyte-derived macrophages (MDMs) by ASFV genotype 2 strains is highly efficient but immunologically silent with respect to IFN type I, IFN-stimulated gene induction, and tumor necrosis factor production.
View Article and Find Full Text PDFCase Report: PFAPA (Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis) Syndrome With a Novel TNFAIP3 Mutation.
Immun Inflamm Dis
March 2025
Department of Rheumatology and Immunology, The First Affiliated Hospital of Naval Medical University, Shanghai, China.
Background: Periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) syndrome has been considered as a childhood syndrome. Its etiopathogeny is unknown however, currently considered as auto-immune inflammatory disease. Recently, a few cases of adult-onset of PFAPA syndrome have been reported.
View Article and Find Full Text PDFCases of high-consequence infectious diseases identified in the UK, 1962-2023.
J Med Microbiol
March 2025
NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, UK.
The management of patients with acute infectious diseases can present significant challenges, especially if the causative agent has a propensity for person-to-person transmission. In such cases, effective patient management is dependent on both rapid identification of disease and the provision of necessary medical care while adhering to suitable infection prevention and control measures to reduce the potential for onwards transmission. The UK has operated a defined system for managing patients with high-consequence infectious diseases (HCIDs) since the 1970s, when protocols were first implemented following the first descriptions of several viral haemorrhagic fever diseases, including Marburg virus disease, Lassa fever and Ebola virus disease (EVD).
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