[COVID-19 in subjects at risk participating in clinical trials during the pandemic in Argentina].

Introduction: There is little information on the presence of COVID-19 in clinical trial participants. The objective of the study was to evaluate the cumulative infection rate for SARS-CoV-2 in this population. Additionally, we investigated the risk, lethality, and mortality from COVID-19.

[Monkeypox and exudative pharyngitis in Argentina].

Since May 2022, monkeypox cases have been reported in non-endemic countries with different characteristics from the traditional description of the disease, predominantly in men who have sex with men, with possible sexual transmission and with no documentation of mortality to date. We report what would be the first patient diagnosed in Argentina with no travel nexus to countries with viral circulation. Young, bisexual man, on antiretroviral HIV pre-exposure prophylaxis, whose presentation was exudative pharyngitis with no other documented aetiology and lymphadenopathy that progressed to necrosis, presence of characteristic asynchronous lesions on the face, neck, abdomen, extremities, and genitals, in a total of no more than 25.

Linear IgA bullous dermatosis after contact with sodium hypochlorite.

The onset of linear IgA bullous dermatosis (LABD) is generally spontaneous, but a number of cases of LABD have been reported either following drug exposure or in association with malignancies. We describe a patient who developed a vesicular eruption shortly after an irritant dermatitis caused by the contact with a detergent containing sodium hypochlorite. Direct immunofluorescence revealed linear deposits of IgA and C3 in the epidermal basement membrane.