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Of the 47 cases of mpox reported in Romania to date, 22 were diagnosed and treated at our hospital, fourteen of which were young men who have sex with men (MSM), living with HIV. In addition to the multiple pustular and vesicular rash, on hospital admission, clinical exam revealed marked penile oedema and bilateral white tonsillar deposits. The clinical condition was worsening and after 14 days of hospitalization the patient noted loss of visual acuity, predominantly on the left eye, probably through dissemination from the extensive facial lesions, with conjunctival hyperaemia and ulceration of the cornea.

The early epidemiology of the 2022 monkeypox epidemic in non-endemic countries differs substantially from the epidemiology previously reported from endemic countries. We aimed to describe the epidemiological and clinical characteristics among individuals with confirmed cases of monkeypox infection. We descriptively analysed data for patients with confirmed monkeypox who were included in the GeoSentinel global clinical-care-based surveillance system between May 1 and July 1 2022, across 71 clinical sites in 29 countries. Data collected included demographics, travel history including mass gathering attendance, smallpox vaccination history, social history, sexual history, monkeypox exposure history, medical history, clinical presentation, physical examination, testing results, treatment, and outcomes. We did descriptive analyses of epidemiology and subanalyses of patients with and without HIV, patients with CD4 counts of less than 500 cells per mm3 or 500 cells per mm3 and higher, patients with one sexual partner or ten or more sexual partners, and patients with or without a previous smallpox vaccination. 226 cases were reported at 18 sites in 15 countries. Of 211 men for whom data were available, 208 (99%) were gay, bisexual, or men who have sex with men (MSM) with a median age of 37 years (range 18–68; IQR 32–43). Of 209 patients for whom HIV status was known, 92 (44%) men had HIV infection with a median CD4 count of 713 cells per mm3 (range 36–1659; IQR 500–885). Of 219 patients for whom data were available, 216 (99%) reported sexual or close intimate contact in the 21 days before symptom onset; MSM reported a median of three partners (IQR 1–8). Of 195 patients for whom data were available, 78 (40%) reported close contact with someone who had confirmed monkeypox. Overall, 30 (13%) of 226 patients were admitted to hospital; 16 (53%) of whom had severe illness, defined as hospital admission for clinical care rather than infection control. No deaths were reported. Compared with patients without HIV, patients with HIV were more likely to have diarrhoea (p=0·002), perianal rash or lesions (p=0·03), and a higher rash burden (median rash burden score 9 [IQR 6–21] for patients with HIV vs median rash burden score 6 [IQR 3–14] for patients without HIV; p<0·0001), but no differences were identified in the proportion of men who had severe illness by HIV status. Clinical manifestations of monkeypox infection differed by HIV status. Recommendations should be expanded to include pre-exposure monkeypox vaccination of groups at high risk of infection who plan to engage in sexual or close intimate contact. US Centers for Disease Control and Prevention, International Society of Travel Medicine.

West Nile virus (WNV) can cause asymptomatic infection in humans, result in self-limiting febrile illness, or lead to severe West Nile Neuroinvasive disease (WNND). We conducted a pilot study to compare selected biomarkers of oxidative stress in sera of viremic West Nile virus patients and asymptomatic infected blood donors to investigate their potential as predictors of disease severity. We found that total oxidant status was elevated in WNND and in uncomplicated WNV infections (median 9.05 (IQR 8.37 to 9.74) and 7.14 (7.03 to 7.25) µmol H2O2 equiv./L, respectively) compared to asymptomatic infections (0.11 (0.07 to 0.19) µmol H2O2 equiv./L) ('p' = 0.048). MDA levels showed a similar trend to TOS, but differences were not significant at alpha = 0.05. Total antioxidant status did not differ significantly between different disease severity groups. Oxidative stress appears to be associated with more severe disease in WNV-infected patients. Our preliminary findings warrant prospective studies to investigate the correlation of oxidative stress with clinical outcomes and severity of WNV infection.

The climatic modifications lead to global warming; favouring the risk of the appearance and development of diseases are considered until now tropical diseases. Another important factor is the workers’ immigration, the economic crisis favouring the passive transmission of new species of culicidae from different areas. Malaria is the disease with the widest distribution in the globe. Millions of people are infected every year in Africa, India, South-East Asia, Middle East, and Central and South America, with more than 41% of the global population under the risk of infestation with malaria. The increase of the number of local cases reported in 2007–2011 indicates that the conditions can favour the high local transmission in the affected areas. In the situation presented, the establishment of the level of risk concerning the reemergence of malaria in Romania becomes a priority.

Background/Objectives: Although a “forgotten” disease in developed countries, typhoid fever remains a significant global health problem, especially in regions with inadequate sanitation and overcrowding. Despite medical advances, this systemic bacterial infection, caused by Salmonella Typhi, continues to affect millions worldwide. Accurate diagnosis and timely treatment are crucial to prevent severe complications and mortality. Even though antibiotic therapy is effective, the emergence of drug-resistant strains is a growing challenge. Methods: We present a series of cases encountered in a tertiary infectious disease hospital in Romania over 15 years. Results: The hospitalised patients were mainly from Sub-Saharan Africa and the Indian subcontinent; the median time between the onset of the first symptoms and hospital admission was 15 days. The symptoms encountered along with fever were headache, chills, cough, diarrhoea and tachycardia, an unusual feature in the clinical picture of this disease. Aneosinophilia (the absence of peripheral eosinophilic granulocytes) was the most frequently encountered laboratory finding, followed by increased serum transaminases and inflammatory syndrome. Conclusions: S. Typhi was generally identified from blood culture, demonstrating, except in one case, resistance to ciprofloxacin and, in several cases, multi-drug resistance (MDR). In this series of cases, all strains were sensitive to ceftriaxone.

Background and Objectives: Infective endocarditis (IE) remains a severe infection with high morbidity and mortality, particularly among people who inject drugs (PWID). Data from Eastern Europe are limited, despite the increasing burden of intravenous drug use in the region. Materials and Methods: We conducted a retrospective, observational cohort study of 153 patients diagnosed with IE and admitted to the “Dr. Victor Babeș” Clinical Hospital for Infectious and Tropical Diseases in Bucharest, Romania, between August 2019 and July 2024. Patients were classified into PWID (n = 51) and non-PWID (n = 102). Clinical characteristics, microbiological profiles, echocardiographic findings, complications, and outcomes (in-hospital, 10-week, and 12-month mortality) were compared between groups. Results: PWID were significantly younger (mean 34.0 ± 6.6 years vs. 64.3 ± 13.1 years; p < 0.001), predominantly male (86.3% vs. 62.7%; p = 0.003) and had higher rates of HIV (64.7%) and HCV (98.1%). Right-sided IE and larger vegetations were more common in PWID, whereas non-PWID had more left-sided disease, pre-existing valvular pathology, and prosthetic valve involvement. Staphylococcus aureus predominated in PWID (68.6% vs. 27.5%; p < 0.001), while non-PWID had more Streptococcus spp. and Coxiella burnetii cases. Embolic complications, particularly pulmonary emboli, and valvular rupture were significantly more frequent in PWID, while non-PWID had higher rates of heart failure and surgical interventions. In-hospital mortality was similar (17.6% vs. 11.8%; p = 0.318), but 12-month mortality was higher in PWID (27.5% vs. 13.7%; p = 0.038). Conclusions: IE in PWID shows a distinct clinical and microbiological profile, with more aggressive complications and worse long-term survival. Tailored management, early diagnosis, harm reduction programs, and dedicated follow-up are urgently needed in this high-risk population.

Fungal endocarditis, despite being a rare diagnosis, has a higher morbidity and mortality rate compared to bacterial endocarditis. Candida species are the most common isolated pathogens involved in fungal endocarditis. Diagnosis is suspected in patients with underlying conditions such as cancer, myelodysplastic syndrome, diabetes, or intravascular catheters, where the modified Duke criteria apply. Management of the patient requires a multidisciplinary team (cardiologist, infectious diseases consultant, cardiac surgeon) along with antifungal treatment. We present the case of a 60-year-old male with biological prosthetic aortic valve replacement in the previous year for bicuspid aortic stenosis, admitted for a 5-day history of fever, nausea and minor urinary symptoms. The blood cultures were positive for Candida parapsilosis. Transthoracic cardiac ultrasound revealed a hypoechogenic mass attached to the aortic valve at the prosthetic fixation site. Although diagnosis was rapidly confirmed and treatment was administered shortly after first suspected, the patient developed, at first, cavernous sinus thrombosis and, later, fatal ST elevation myocardial infarction. The patient died despite efficient antifungal therapy, initially with Anidulafungin in monotherapy and later in combination with Fluconazole. The reported case emphasizes the importance of managing fungal endocarditis, the need for urgent diagnostic attention and multidisciplinary team approach by infectious diseases specialist, cardiologist, neurologist and heart surgeon.

Background: Leishmaniasis is a vector-borne zoonotic disease caused by protozoa of the genus Leishmania. While it is endemic in the Mediterranean Basin and the Balkans, Romania remains a non-endemic country. However, climate change, increased international travel, and the documented presence of competent vectors (Phlebotomus spp.) have raised concerns about the potential emergence of autochthonous cases. Case Presentation: We report two cases of imported cutaneous leishmaniasis (CL) diagnosed in central Romania, a region without previously confirmed human or animal cases. The first case involved a 31-year-old male with a recent travel history to Spain, presenting with erythematous papules and plaques that evolved into ulcerated lesions. The diagnosis was confirmed histopathologically and by a PCR. Treatment with miltefosine was effective, with minimal hepatic toxicity and a sustained response at a six-month follow-up. The second case concerned an 11-year-old boy who had traveled to Elba, Italy. He developed ulcerative lesions that progressed rapidly and were complicated by Pseudomonas aeruginosa superinfection. Despite an initially negative smear, PCR testing of the skin lesion confirmed the presence of CL. Antifungal therapy with fluconazole led to clinical improvement; treatment was ongoing at the time of publication. Discussion: These cases highlight the diagnostic and therapeutic challenges associated with CL in non-endemic settings. The varied clinical evolution underscores the importance of considering leishmaniasis in the differential diagnosis of chronic, non-healing cutaneous lesions, particularly in patients with a travel history to endemic regions. Conclusions: Increased awareness among clinicians, supported by accurate diagnostic tools and public health surveillance, is essential to identify and manage imported leishmaniasis. Given the absence of a licensed vaccine and the growing risk of vector expansion in Eastern Europe, these cases support the WHO’s inclusion of leishmaniasis among the priority neglected tropical diseases targeted for intensified global control efforts by 2030.

Background: Carbapenem-resistant Klebsiella pneumoniae (Cr-Kpn) is becoming a growing public health problem through the failure of adequate treatment. This study’s objectives are to describe the sources of Cr-Kpn in our hospital over 22 months, associating factors with the outcome of Cr-Kpn-positive patients, especially those with NDM+OXA-48-like (New Delhi Metallo-β-Lactamase and oxacillinase-48), and the effectiveness of the treatments used. Methods: A retrospective observational cohort study including all hospitalized patients with Cr-Kpn isolates. We reported data as percentages and identified independent predictors for mortality over hospital time through multivariate analysis. Results: The main type of carbapenemases identified were NDM+OXA-48-like (49.4%). The statistical analysis identified that diabetes and co-infections with the Gram-negative, non-urinary sites of infection were factors of unfavorable evolution. The Cox regression model identified factors associated with a poor outcome: ICU admission (HR of 2.38), previous medical wards transition (HR of 4.69), and carbapenemase type NDM (HR of 5.98). We did not find the superiority of an antibiotic regimen, especially in the case of NDM+OXA-48-like. Conclusions: The increase in the incidence of Cr-Kpn infections, especially with NDM+OXA-48-like pathogens, requires a paradigm shift in both the treatment of infected patients and the control of the spread of these pathogens, which calls for a change in public health policy regarding the use of antibiotics and the pursuit of a One Health approach.

Klebsiella pneumoniae, a member of the Enterobacterales Order, often colonises the gut and causes diverse infections, including bloodstream, urinary, and respiratory infections. The rise in carbapenem-resistant sFtrains, especially those producing enzymes like K. pneumoniae carbapenemase (KPC), New Delhi metallo-β-lactamase (NDM), Oxacillinase 48 (OXA48), or combinations (NDM+OXA48-like), poses a significant threat across Europe, notably in Romania. These strains spread rapidly via mobile genetic elements, complicating treatment. Methods: A retrospective study of multidrug-resistant (MDR) K. pneumoniae strains isolated from clinical samples collected at an infectious diseases hospital in Romania. Results: We analysed the evolution of carbapenemases and their combinations from 2010 to 2024, with the rising antibiotic consumption, particularly during the COVID-19 pandemic. The prevalence of carbapenem-resistant Klebsiella pneumoniae (CRKP) rose from 4.9% in 2010 to 41.6% in 2024. There was an overall antibiotic use increase, especially colistin (186%) between 2019–2024. Additionally, we examined the dynamics of antibiotic susceptibility that decreased in 2023–2024 and found that susceptibility of NDM+OXA48-like isolates to colistin was 16.5% and to cefiderocol 58.5%. Conclusions: The rising prevalence of K. pneumoniae strains with complex resistance mechanisms, coupled with a significant reduction in available treatment options, demands a fundamental paradigm shift in the management of these infections.