Common Variable Immunodeficiency Associated with a De Novo Variant and a Low Humoral Immune Response to the SARS-CoV-2 Vaccine.

Background And Aims: Common variable immunodeficiency (CVID) comprises a group of diseases with heterogeneous clinical and immunological manifestations. Several mutations have been identified in genes encoding proteins essential for immune function. Our aim was to phenotypically and genotypically characterize a patient diagnosed with CVID and study his response to the SARS-CoV-2 vaccine.

[Prevalence and relation of dyspepsia to irritable bowel syndrome in a native community of the Peruvian jungle].

Introduction: Dyspepsia and irritable bowel syndrome (IBS) are two of the most frequent syndromes in gastroenterology. However, very few epidemiological studies have been conducted in Peru and none in the Peruvian Jungle.

Objectives: The objective of this study is to determine the prevalence of dyspepsia and irritable bowel syndrome in a jungle community of Peru and the recurrence percentage of these syndromes.