Publications by authors named "Beat Sonderegger"

The SARS-CoV-2 virus (COVID-19) was initially observed in a group of Chinese patients with unclear pneumonia in Wuhan, Hubei [1] in late December 2019. The first positive case in Switzerland was confirmed on 25 February 2020 in a patient from canton Tessin, who most likely caught the virus during a visit to Milan, Italy [2]. The country has since been preparing for an imminent public health emergency caused by the pandemic.

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Cardiac implantable electronic device-related infection is clinically challenging. Curative treatment commonly includes system removal. A case caused by occurred in a 32-year-old woman.

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Background: In human immunodeficiency virus (HIV)-infected individuals, the immune response over time to yellow fever vaccination (YFV) and the necessity for booster vaccination are not well understood.

Methods: We studied 247 participants of the Swiss HIV Cohort Study (SHCS) with a first YFV after HIV diagnosis and determined their immune responses at 1 year, 5 years, and 10 years postvaccination by yellow fever plaque reduction neutralization titers (PRNTs) in stored blood samples. A PRNT of 1:≥10 was regarded as reactive and protective.

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Older persons (≥65 years) are at risk for invasive group B streptococcal (GBS) infections. The most frequent clinical syndromes in 174 infection episodes were osteoarticular (40%) and skin and soft-tissue infections (30%). In 36% of episodes, a companion microorganism was isolated, and in 45%, blood culture results were positive.

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Background: Sellar toxoplasmosis is associated with congenital infections or immunodeficiency. The finding of Toxoplasma bradycysts in a pituitary adenoma is very unusual.

Case Description: An otherwise healthy 27-year-old woman presented with secondary amenorrhea and moderately elevated prolactin levels.

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