Topological geon black holes in Einstein-Yang-Mills theory

We construct topological geon quotients of two families of Einstein-Yang-Mills black holes. For Kuenzle's static, spherically symmetric SU(n) black holes with n>2, a geon quotient exists but generically requires promoting charge conjugation into a gauge symmetry. For Kleihaus and Kunz's static, axially symmetric SU(2) black holes a geon quotient exists without gauging charge conjugation, and the parity of the gauge field winding number determines whether the geon gauge bundle is trivial. The geon's gauge bundle structure is expected to have an imprint in the Hawking-Unruh effect for quantum fields that couple to the background gauge field.Comment: 27 pages. v3: Presentation expanded. Minor corrections and addition

Interseasonal RSV infections in Switzerland - rapid establishment of a clinician-led national reporting system (RSV EpiCH).

In anticipation of an interseasonal respiratory syncytial virus (RSV) epidemic, a clinician-led reporting system was rapidly established to capture RSV infections in Swiss hospitals, starting in January 2021. Here, we present details of the reporting system and first results to June 2021. An unusual epidemiology was observed with an interseasonal surge of RSV infections associated with COVID-19-related non-pharmacological interventions. These data allowed real-time adjustment of RSV prophylaxis guidelines and consequently underscore the need for and continuation of systematic nationwide RSV surveillance

Height and timing of growth spurt during puberty in young people living with vertically acquired HIV in Europe and Thailand.

OBJECTIVE: The aim of this study was to describe growth during puberty in young people with vertically acquired HIV. DESIGN: Pooled data from 12 paediatric HIV cohorts in Europe and Thailand. METHODS: One thousand and ninety-four children initiating a nonnucleoside reverse transcriptase inhibitor or boosted protease inhibitor based regimen aged 1-10 years were included. Super Imposition by Translation And Rotation (SITAR) models described growth from age 8 years using three parameters (average height, timing and shape of the growth spurt), dependent on age and height-for-age z-score (HAZ) (WHO references) at antiretroviral therapy (ART) initiation. Multivariate regression explored characteristics associated with these three parameters. RESULTS: At ART initiation, median age and HAZ was 6.4 [interquartile range (IQR): 2.8, 9.0] years and -1.2 (IQR: -2.3 to -0.2), respectively. Median follow-up was 9.1 (IQR: 6.9, 11.4) years. In girls, older age and lower HAZ at ART initiation were independently associated with a growth spurt which occurred 0.41 (95% confidence interval 0.20-0.62) years later in children starting ART age 6 to 10 years compared with 1 to 2 years and 1.50 (1.21-1.78) years later in those starting with HAZ less than -3 compared with HAZ at least -1. Later growth spurts in girls resulted in continued height growth into later adolescence. In boys starting ART with HAZ less than -1, growth spurts were later in children starting ART in the oldest age group, but for HAZ at least -1, there was no association with age. Girls and boys who initiated ART with HAZ at least -1 maintained a similar height to the WHO reference mean. CONCLUSION: Stunting at ART initiation was associated with later growth spurts in girls. Children with HAZ at least -1 at ART initiation grew in height at the level expected in HIV negative children of a comparable age

Pancreatitis and cholecystitis in primary acute symptomatic Epstein-Barr virus infection : Systematic review of the literature

Acute pancreatitis and acalculous cholecystitis have been occasionally reported in primary acute symptomatic Epstein-Barr virus infection. We completed a review of the literature and retained 48 scientific reports published between 1966 and 2016 for the final analysis. Acute pancreatitis was recognized in 14 and acalculous cholecystitis in 37 patients with primary acute symptomatic Epstein-Barr virus infection. In all patients, the features of acute pancreatitis or acalculous cholecystitis concurrently developed with those of primary acute symptomatic Epstein-Barr virus infection. Acute pancreatitis and acalculous cholecystitis resolved following a hospital stay of 25\ua0days or less. Acalculous cholecystitis was associated with Gilbert-Meulengracht syndrome in two cases. In conclusion, this thorough analysis indicates that acute pancreatitis and acalculous cholecystitis are unusual but plausible complications of primary acute symptomatic Epstein-Barr virus infection. Pancreatitis and cholecystitis deserve consideration in cases with severe abdominal pain. These complications are usually rather mild and resolve spontaneously without sequelae

Lipschütz's acute vulvar ulcer: a systematic review.

In previously healthy subjects, vulvar ulcers are mostly caused by sexually transmitted microorganisms. Lipschütz's acute vulvar ulceration, first reported in 1912, is a non-sexually acquired condition characterized by sudden onset of a few genital ulcers. We systematically review presentation, underlying causes, and disease duration of Lipschütz's ulceration. A comprehensive source of Excerpta Medica, National Library of Medicine, and Web of Science databases was performed. Reports including cases of apparently previously healthy females affected by Lipschütz's ulceration were selected. A predefined database was used to extract data on demographics, history, clinical and microbiological findings, and treatment.The search disclosed 158 cases. Almost 90% of cases were ≤ 20 years of age and sexually inactive. Lesions were usually one to about three, painful, ≥ 10 mm large, well-delimited, with a fibrinous and necrotic center and a symmetric distribution. Voiding disorders and enlarged inguinal lymph nodes were observed in a large subset of cases. Canker sores were noted in 10% of patients. Lipschütz's vulvar ulceration occurred concomitantly with an infectious disease in 139 cases. Infectious mononucleosis syndrome (N = 40) was the most frequently detected well-defined infection, followed by mycoplasma species infections (N = 11). The disease resolved after ≤ 3 weeks.Conclusions: Lipschütz's ulceration mainly affects both sexually inactive and, less frequently, sexually active subjects ≤ 20 years of age, presents with ≤ 3 vulvar ulcers, resolves without recurrences within 3 weeks and is temporarily associated with an infection, most frequently a flu-like illness or an infectious mononucleosis syndrome. What is Known: • Lipschütz's acute vulvar ulceration is a non-sexually acquired condition, which is characterized by a sudden onset of a few necrotic and painful genital ulcers. • The condition tends to resolve spontaneously and is usually triggered by an infection. What is New: • The condition mainly affects subjects ≤ 20 years of age, tends to resolve within 3 weeks, and is usually temporarily associated with a flu-like illness or an infectious mononucleosis syndrome. • Systemic corticosteroids do not reduce disease duration

Lipschütz’s acute vulvar ulcer : a systematic review

In previously healthy subjects, vulvar ulcers are mostly caused by sexually transmitted microorganisms. Lipsch\ufctz\u2019s acute vulvar ulceration, first reported in 1912, is a non-sexually acquired condition characterized by sudden onset of a few genital ulcers. We systematically review presentation, underlying causes, and disease duration of Lipsch\ufctz\u2019s ulceration. A comprehensive source of Excerpta Medica, National Library of Medicine, and Web of Science databases was performed. Reports including cases of apparently previously healthy females affected by Lipsch\ufctz\u2019s ulceration were selected. A predefined database was used to extract data on demographics, history, clinical and microbiological findings, and treatment. The search disclosed 158 cases. Almost 90% of cases were 64 20 years of age and sexually inactive. Lesions were usually one to about three, painful, 65 10 mm large, well-delimited, with a fibrinous and necrotic center and a symmetric distribution. Voiding disorders and enlarged inguinal lymph nodes were observed in a large subset of cases. Canker sores were noted in 10% of patients. Lipsch\ufctz\u2019s vulvar ulceration occurred concomitantly with an infectious disease in 139 cases. Infectious mononucleosis syndrome (N = 40) was the most frequently detected well-defined infection, followed by mycoplasma species infections (N = 11). The disease resolved after 64 3 weeks. Conclusions: Lipsch\ufctz\u2019s ulceration mainly affects both sexually inactive and, less frequently, sexually active subjects 64 20 years of age, presents with 64 3 vulvar ulcers, resolves without recurrences within 3 weeks and is temporarily associated with an infection, most frequently a flu-like illness or an infectious mononucleosis syndrome.What is Known: \u2022 Lipsch\ufctz\u2019s acute vulvar ulceration is a non-sexually acquired condition, which is characterized by a sudden onset of a few necrotic and painful genital ulcers. \u2022 The condition tends to resolve spontaneously and is usually triggered by an infection.What is New: \u2022 The condition mainly affects subjects 64 20 years of age, tends to resolve within 3 weeks, and is usually temporarily associated with a flu-like illness or an infectious mononucleosis syndrome. \u2022 Systemic corticosteroids do not reduce disease duration

Patterns and trends of pediatric bloodstream infections: a 7-year surveillance study.

We characterize the epidemiology of pediatric bloodstream infections (BSIs) in Switzerland. We analyzed pathogen distribution and resistance patterns in monomicrobial and polymicrobial BSIs in children from 2008 to 2014 using data from the Swiss antibiotic resistance centre (ANRESIS). A confirmatory statistical analysis was performed comparing pathogens and resistance across 20 acute care hospitals. We identified 3,067 bacteremia episodes, of which 1,823 (59 %) were considered true BSI episodes. Overall, S. aureus (16.5 %, 300) was the most frequent pathogen, followed by E. coli (15.1 %, 276), coagulase-negative staphylococci (CoNS, 12.9 %, 235), S. pneumoniae (11.1 %, 202) and non-E. coli Enterobacteriaceae (8.7 %, 159). S. aureus and E. coli showed similar frequencies in all of the variables analyzed (e.g., hospital acquisition, hospital type, medical specialty). The proportion of these microorganisms did not change over time, resistance rates remained low (4.3 % methicillin resistance in S. aureus; 7.3 % third-/fourth-generation cephalosporin resistance in E. coli), and no significant resistance trends were observed. We observed a 50 % increase of CoNS BSIs from 2008 (9.8 %, 27) to 2014 (15.2 %, 46, p value for trend = 0.03). S. pneumoniae decreased from 17.5 % (48) to 6.6 % (20) during that timeframe (p for trend = 0.007). S. aureus and E. coli remained the most significant pathogens among pediatric BSIs in Switzerland, exhibiting low resistance rates. CoNS accounted for a greater proportion of BSIs over time. The decrease in bacteremic pneumococcal infections can likely be attributed to the introduction of the 13-valent conjugate vaccine in 2011