Publications by authors named "J D Schaeffer"

Immobilization induced hypercalcemia is an uncommon and serious disorder that requires a thorough evaluation to exclude more common causes of an elevated calcium. Although the pathogenesis is not clearly illuminated, immobilization results in an uncoupling between osteogenic and osteoclastic factors that maintain bone homeostasis. When calcemic bone resorption overwhelms urinary calcium excretion, blood hypercalcemia ensues.

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BackgroundEarly detection and characterisation of SARS-CoV-2 variants have been and continue to be essential for assessing their public health impact. In August 2023, Santé publique France implemented enhanced surveillance for BA.2.

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Introduction: Seals, protected wild marine mammals, are widely found in waters around the world. However, rising concerns about their increasing numbers in some areas have led to potential worries regarding microbiological contamination of coastal areas by their feces, which could impact bathing and shellfish-harvesting activities. To the best of our knowledge, no study has been conducted on the bacterial and RNA viral communities present in the feces of both grey and harbor seals, which are the two main seal species observed in mainland France and overseas.

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Objective: Increased risk of occupational exposure to bioaerosols has long been recognized in livestock operations including dairy facilities. Spanning the inhalable fraction (0-100 μm), dairy bioaerosols comprise a wide variety of inflammatory components that deposit in the nasopharyngeal region. The resultant inflammatory response from bioaerosol exposure is likely driving the increased prevalence of respiratory disease observed in dairy workers.

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