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Brucellosis is a multisystemic disease that can present with multiple signs and symptoms. Rarely, brucellosis can manifest as neurobrucellosis, with central or peripheral nervous system involvement. Guillain-Barré syndrome (GBS) is a post-infectious autoimmune disease that progresses rapidly, causing ascending muscle weakness, and is accompanied by areflexia/hyporeflexia. Regarding GBS etiology, it is thought to be an autoimmune disease, triggered by a previous bacterial or viral infection. There are a few Brucella-associated GBS case reports in the literature and in our opinion, only one of them is a pediatric patient. Herein we reported a case of GBS associated with neurobrucellosis, who was successfully treated with therapeutic plasmapheresis (TP) due to poor response to IVIG treatment. WOS:000857318300001 Q4

Pfizer-BioNTech COVID-19 (BNT162b2) conferred a high level of protection against Covid-19 with a proven short-term safety profile. Although cases of vaccine-associated myopericarditis have been reported, the existence of rhabdomyolysis without myocarditis has not yet been published. A 16-year-old, healthy male patient, who did not use any herbal or illegal drugs before, was admitted with muscle pain that developed after the second dose of BNT162b2 vaccine. Cardiac examination and heart enzymes were normal and the patient had significantly higher creatinine kinase levels. The patient, whose enzymes returned to normal with only force hydration therapy, recovered without complications. Reporting the side effects of the vaccine, which has a short history of application to large populations, is of vital importance in the conduct of vaccine development studies and in identifying the risky group in terms of side effects. © 2022 The College of Medicine and the Medical Association of Malawi. 2-s2.0-85133663932 WOS:000863008400013 Q4

Acute tonsillopharyngitis is the most commonly seen in fection of the childhood leading to hospital presentations. The agent of the disease is mostly respiratory tract viruses. The most frequent bacterial agent group is Group A strep tococcus (GAS), and GAS infections in school-aged child ren between 5 and 15 years have been reported as 15-30% among all tonsillopharyngitis agents. GAS pharyngitis can be observed in much younger children who are in contact with school-aged children. Corynebacterium diphtheriae, Neisseria gonorrhoeae, Arcanobacterium haemolyticum and anaerobe bacteria may also cause tonsillopharyngitis. While A. hae molyticum is a rare agent, it is substantial since it may lead to dengue-like rashes. Following the consumption of unpasteu rized cow milk, Group C streptococcus may also be an agent of pharyngitis.

Background and aim Cat-scratch disease (CSD) is a systemic bacterial infection caused by Bartonella henselae. The disease is typically characterized by regional lymphadenopathy developing after scratches from domestic or feral cats. Rarely, systemic involvement may be observed. The co-occurrence with glomerulonephritis and positive antinuclear antibody (ANA) tests have been reported before. In these cases, the disease can be misdiagnosed as systemic lupus erythematosus. Ocular involvement occurs in 5%–10% of the cases with CSD, and neuroretinitis is among the common manifestations. Administration of corticosteroids (CSs) in addition to antibiotics has been shown to improve prognosis in neuroretinitis cases. However, the optimal dose and duration, remain ill-defined. Case report In this article, we present an 11-year-old girl with CSD and neuroretinitis with a positive ANA test and hematuria, who benefited from high-dose methyl-prednisolone and antibiotics. Conclusion Further research is warranted in order to determine the dose and duration of CSs in the treatment of Bartonella neuroretinitis.

Acute tonsillopharyngitis is the most commonly seen infection of the childhood leading to hospital presentations. The agent of the disease is mostly respiratory tract viruses. The most frequent bacterial agent group is Group A streptococcus (GAS), and GAS infections in school-aged children between 5 and 15 years have been reported as 15-30% among all tonsillopharyngitis agents. GAS pharyngitis can be observed in much younger children who are in contact with school-aged children. Corynebacterium diphtheriae, Neisseria gonorrhoeae, Arcanobacterium haemolyticum and anaerobe bacteria may also cause tonsillopharyngitis. While A. haemolyticum is a rare agent, it is substantial since it may lead to dengue-like rashes. Following the consumption of unpasteurized cow milk, Group C streptococcus may also be an agent of pharyngitis. WOS:000678718200012

The original published version of this article contained a mistake in one of the affiliations. The correct affiliation of author Manolya Kara (7) should read: Istinye University Faculty of Medicine, VM MedicalPark Pendik Hospital, Pediatric Infectious Diseases Clinic, Istanbul, Turkey The original article has been corrected. © 2021, Springer Science+Business Media, LLC, part of Springer Nature. 10.1007/s12026-021-09248-7 WOS:000708817100001 34668146 Q3