Publications by authors named "L Flamand"

Article Synopsis
  • The study examines gender disparities in the use of outpatient health services among Mexican adults with non-communicable diseases (NCDs) from 2006 to 2022, highlighting the importance of equitable health service utilization for universal health coverage.
  • It utilizes data from multiple National Health and Nutrition Surveys and analyzes the differences in service usage among men and women, focusing on various categories of outpatient care.
  • Results indicate that women are less likely to refrain from using health services compared to men, suggesting significant gender gaps in healthcare utilization patterns.
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The Coronavirus Disease 2019 (COVID-19), caused by virus SARS-CoV-2, is characterized by massive inflammation and immune system imbalance. Despite the implementation of vaccination protocols, the accessibility of treatment remains uneven. Furthermore, the persistent threat of new variants underscores the urgent need for expanded research into therapeutic options for SARS-CoV-2.

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Article Synopsis
  • - SARS-CoV-2 is still a major cause of death in North America, and this study examines how methotrexate and tumor necrosis factor inhibitors (TNFi) affect vaccine responses in patients with immune-mediated inflammatory diseases (IMID).
  • - Researchers collected and analyzed serum samples from 479 adults with conditions like inflammatory bowel disease (IBD) and rheumatoid arthritis (RA) across Canada to evaluate neutralization responses to COVID-19 vaccination.
  • - The results indicated that both methotrexate and TNFi independently reduced the ability to neutralize the virus, underscoring the need for careful vaccination strategies as COVID-19 remains widespread.
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Highly pathogenic avian influenza (HPAI) H5N1 has caused the deaths of more than 100 million birds since 2021, and human cases since 1997 have been associated with significant morbidity and mortality. Given recent detections of HPAI H5N1 in dairy cattle and H5N1 RNA detections in pasteurized retail milk in the United States, we established the pan-Canadian Milk Network in April 2024. Through our network of collaborators from across Canada, retail milk was procured longitudinally, approximately every 2 weeks, and sent to a central laboratory to test for the presence of influenza A virus RNA.

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Objective: In the face of the ongoing circulation of SARS-CoV-2, the durability of neutralization post-COVID-19 vaccination in immune-mediated inflammatory disease (IMID) is a key issue, as are the effects of medications.

Methods: Adults (n = 112) with inflammatory bowel disease, psoriasis/psoriatic arthritis, rheumatoid arthritis, spondylarthritis, and systemic lupus were recruited from participating Canadian medical centers from 2021 to 2023. We focused on log-transformed neutralization (lentivirus methods) as a continuous outcome, with separate models for wild-type and Omicron strains BA.

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