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… produced by different fire regimes and litter loads (simulating wrack deposition) on microbial community composition and changes over time. We established replicated plots at similar elevations within frequent tidal-inundation zones of a coastal brackish Louisiana marsh. Plots were located within blocks with different prescribed fire regimes. We deployed different measured loads of new sterilized litter collected from zones in which plots were established, then re-measured litter masses at subsequent colle…

Wood duck nest survival and duckling recruitment is minimally affected by interspecific brood parasitism from hooded mergansers and black-bellied whistling-ducks

PLoS One Infectious Diseases

3.07.2024

…ific brood parasitism (IBP) primarily from hooded mergansers (Lophodytes cucullatus), but the recent northward expansion of black-bellied whistling-ducks (Dendrocygna autumnalis) has added a new complexity to these interactions. We monitored nest boxes in Louisiana to evaluate the influence IBP had on wood duck daily nest survival rate (after, DSR) and duckling recruitment. We monitored 1,295 wood duck nests from 2020−2023 and found 112 (8.7%) were parasitized by hooded mergansers and 148 (11.5%) by whist…

Validation of a Novel, Rapid Sepsis Diagnostic for Emergency Department Use

Critical Care Explorations

11.02.2024

…lliSep test, a microfluidic assay that quantifies the state of immune activation by evaluating the biophysical properties of leukocytes, as a rapid diagnostic for sepsis. DESIGN: . Prospective cohort study. SETTING: . Five emergency departments (EDs) in Louisiana, Missouri, North Carolina, and Washington. PATIENTS: . Adult patients presenting to the ED with signs (two of four Systemic Inflammatory Response Syndrome criteria, where one must be temperature or WBC count) or suspicion (provider-ordered cultu…

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US Suffers First Severe Human Case of Bird Flu; California Declares Emergency

Medscape Infectious Diseases

20.12.2024

The U.S. reported its first severe human case of bird flu on Wednesday in a Louisiana resident who is hospitalized in critical condition after suspected contact with an. . Reuters Health Information

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