Regulatory T cells, a subset of CD4 + T lymphocytes, play a pivotal role in the maintenance
of the balance between the tissue-damaging and protective effects of the immune response. …

Background: Parvovirus B19 has recently been implicated in various vasculitic syndromes
including Henoch Schönlein purpura (HSP), Wegener's granulomatosis and microscopic …

The prototypical cutaneous manifestations of human parvovirus B19 (B19) infection include
a petechial eruption in a glove and stocking distribution, reticular truncal erythema, and the “…

Background: Infection with parvovirus B19 (B19) has been associated with connective
tissue disease (CTD) stigmata, namely, a systemic lupus erythematosus (SLE)‐like illness, …

OBJECTIVES: Many North American arctic communities are characterized by risk markers
associated with Helicobacter pylori (H. pylori) infection, including overcrowded housing and …

The living conditions of many aboriginalcommunities in Canada may place their residents at
riskfor H. pylori infection. Our aims were to determine: (1)the seroprevalence of H. pylori in a …

BACKGROUND: Excellent immune responses following 1 or 2 doses of the monovalent
inactivated pandemic H1N1 vaccines have been documented, but the effectiveness of these …

OBJECTIVE: To analyze a series of biopsies from 16 patients who, on the basis of clinical
and dermatopathologic findings, had a spectrum of connective tissue diseases (CTD), …

Background: HIV controllers demonstrate a natural ability to control HIV replication in the
absence of antiretroviral therapy. We performed a comprehensive evaluation of inflammation …

We report a case of juvenile dermatomyositis in which clinical onset occurred soon after
infection with human parvovirus B19. To the best of our knowledge an association between …