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A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.

In this study, researchers observed temporary skin reactions at BCG vaccination sites following the Pfizer-BioNTech COVID-19 mRNA vaccine in five patients, suggesting underreported occurrences.

A three-year-old girl survived a rare serious infection caused by BCG vaccination, which improved after treatment with a leprosy drug.

This article discusses vaccination coverage for BCG, Polio, and Hepatitis B in Juiz de Fora using SUS data and reports no new results; the authors aim to hypothesize reasons for coverage variation.

This report examines the cautious approach to administering live vaccines to an infant with a heterozygous FOXN1 variant, noting the importance of monitoring TREC levels and immune function indicators in guiding vaccination decisions in such cases.

This case study describes a 53-year-old woman who developed severe muscle weakness, myalgia, and alopecia after receiving the Pfizer SARS-CoV-2 vaccine, with partial hair regrowth observed after six months.

This study reported an increased likelihood of hidradenitis suppurativa flares in patients who received mRNA COVID-19 vaccines compared to those who received non-mRNA vaccines, indicating a potential association that warrants further research in larger populations.

This report observed a case of pilomatrixoma appearing at the COVID-19 vaccination site of a 65-year-old man, aligning with previous findings that suggest a potential association between vaccination sites and this benign tumor.

In this study, 19.6% of COVID-19 vaccine recipients reported post-vaccination mucocutaneous effects, mostly mild and self-limiting; the reactions were similarly frequent for Covishield and Covaxin.

This review discusses case reports of autoimmune diseases following vaccination and the challenges of establishing a clear epidemiological connection, urging further investigation into vaccine-induced autoimmunity.

This study reviews the evolution and modifications of microneedle drug delivery systems, initially designed for percutaneous use, now expanded for targeting a variety of tissues and organs such as ocular, oral mucosal, and gastrointestinal, suggesting widespread future applicability.

This study reports that the Pfizer-BioNTech COVID-19 vaccine showed 52% protection against COVID-19 after the first dose and 95% after the second in phase 3 trials.

This study observed that the severity of long COVID symptoms varies among patients and sociodemographic and clinical factors affect the likelihood of experiencing symptoms for more than a year. Understanding these factors may optimize management and improve patient outcomes.

A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.

This clinical report details the case of a 22-year-old man experiencing severe pustular eruptions on his chest and back, which improved after increasing minocycline to 100 mg twice daily.

This paper discusses the variability in COVID-19 susceptibility and severity, emphasizing factors like biological differences and suggesting potential precision medicine approaches, but it reports no new clinical results.

This report describes a rare case of severe combined immunodeficiency caused by a FOXN1 gene variant, complicated by Epstein-Barr virus infection and high-grade B-cell lymphoma, leading to the infant's death despite treatment efforts.

This review highlights advances in understanding inflammatory memory in epidermal stem cells, focusing on their capacity to remember prior inflammatory responses and respond more quickly to future stimuli, potentially aiding strategies against skin-related diseases.

This study found that thymus transplantation in infants with FOXN1 deficiency led to T-cell reconstitution and functional immunity, resolving serious infections and cytopenias.

In this study, skin manifestations were observed in 48% of children with primary immunodeficiency disorders, often providing crucial diagnostic clues for early identification of these conditions.

This study found that despite the persistence of aberrant double-negative T-cells, functional immune-competence was maintained after thymic transplantation in a patient with a rare FOXN1 mutation.

In this study, five out of six patients treated with vemurafenib for metastatic melanoma experienced hair loss, which improved after topical steroid treatment.

This review discusses the role of skin manifestations as early markers and prognostic indicators of HIV infection in children but reports no new clinical results.

This letter to the editor discusses a case of delayed-onset pachyonychia congenita linked to a new mutation in keratin 6b but presents no new research findings.

This review discusses Omenn syndrome, a form of severe combined immunodeficiency, highlighting its immunopathology and genetic defects without presenting new clinical results.

This review discusses various causes of hair loss, emphasizing the importance of a structured diagnostic approach, and reports no new clinical findings.

This article reviews the structure, genomic organization, and pathogenesis of SARS-CoV-2 and discusses current efforts in prevention and treatments for COVID-19 without reporting new clinical results.

This index of Harper's Textbook of Pediatric Dermatology, Fourth Edition, provides no clinical results or new findings.

Atopic dermatitis may have genetic causes and can be treated with pharmacologic methods, glycerin creams, and controlling Staphylococcus aureus colonization.

This review suggests that understanding the biological and molecular reasons for more severe COVID-19 in men, particularly those at risk for prostate cancer, could improve management of these patients, but reports no new results.