In this outbreak, caused by an unusual E. coli strain, cases of the hemolytic-uremic syndrome occurred predominantly in adults, with a preponderance of cases occurring in women. The hemolytic-uremic syndrome developed in more than 20% of the identified cases.
The extent of monkeypox virus environmental contamination of surfaces is unclear. We examined surfaces in rooms occupied by two monkeypox patients on their fourth hospitalisation day. Contamination with up to 105 viral copies/cm2 on inanimate surfaces was estimated by PCR and the virus was successfully isolated from surfaces with more than 106 copies. These data highlight the importance of strict adherence of hospital staff to recommended protective measures. If appropriate, pre-exposure or early post-exposure vaccination should be considered for individuals at risk.
Objectives: Lassa fever (LF) causes annual outbreaks in endemic regions with high mortality of symptomatic patients. Ribavirin is recommended as standard treatment for LF in national and international guidelines but the evidence base for this recommendation has been questioned recently. Methods: We conducted a systematic review and included 6 studies providing efficacy data of ribavirin treatment for LF (PROSPERO protocol CRD42018103994). Results: Besides retrospective case series, the evidence mostly relies on a single prospective clinical trial with critical risk of bias. In this trial, LF associated mortality is reduced for patients with elevated aspartate aminotransferase (AST) when treated with ribavirin (OR 0.41, 95% CI 0.23-0.73), while mortality is higher for patients without elevated AST (OR 2.37, 95% CI 1.07-5.25). Conclusions: Based on the available data, current treatment guidelines may therefore put patients with mild LF at increased risk of death. The role of ribavirin in the treatment of LF requires urgent reassessment.
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