Table of Contents

Analysis of the Factors of Therapeutic Failure after Transition to Acriptega: About Two Cases

Published on: 20th February, 2026

Acriptega, a combination of Dolutegravir, Lamivudine, and Tenofovir, is a cornerstone of modern antiretroviral therapy due to its efficacy and tolerability. However, treatment failures persist despite this optimization, raising questions about barriers to successful treatment. Through the analysis of two clinical cases, this study explores the biological and behavioral factors contributing to these failures following a switch to this molecule.The first case is a 69-year-old female patient, diagnosed with HIV in 2002 following pulmonary tuberculosis, who was regularly monitored with an undetectable viral load and a CD4 count > 500 cells/mm³ until the Acriptega transition and the onset of tumor symptoms in 2024. The second case is a 62-year-old female patient, diagnosed with HIV in 2009 following cerebral toxoplasmosis. She was regularly monitored with good treatment adherence and an undetectable viral load. After switching her triple therapy, she developed gastroenteritis, which led to the discovery of her treatment failure.    This case study highlights that failure after switching to Acriptega is linked to the absence of prior resistance testing (genotyping). A safe switchover requires a rigorous assessment of the patient’s virological history to prevent the emergence of cross-resistance. Close monitoring via genotyping is essential.
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Bacteriolysis Destruction for Cu- and Zn-Ions Induced Peptidoglycan Cell Wall Based on the Halo-test Results in Cu(NO3)2 and ZnSO4 Solutions against Staphylococcus epidermidis

Published on: 24th March, 2026

Bacteriolysis of peptidoglycan (PGN) cell wall destruction on cleavage, hydrolysis, and decomposition by copper nitrate and zinc sulfide solutions has been investigated on the ground of the results obtained from halo antibacterial susceptibility tests in metal sulfate solutions against Staphylococcus epidermidis, in which from halo-antibacterial susceptibility tests of metallic ion concentration of 100 mM/L against Staphylococcus epidermidis, the order of bacterial effect for the metal nitrate solutions is as follows, Cu2+>Zn2+ >Ag+>Pb2+>Al3+, and the other, in the metal sulfate solutions, the antibacterial effect order is found to be Zn2+>Cu2+>Ag+>Al3+. Cu(Ⅱ)-, Zn(Ⅱ)-ions induced bacteriolytic destructions for PGN cell wall on cleavage, hydrolysis, and decomposition within Cu(NO3)2 and ZnSO4 solutions have been elucidated that Cu(Ⅱ) and Zn(Ⅱ) ions can inhibit PGN biosynthesis Transpeptidase (TP)/Trans-glycosylase (TG) and PGN elongation, PGN cleavage occurs by copper ions- and zinc ions-containing autolysins amidase; AmiE, Rv3717, AmiA, PGN cell wall is hydrolyzed by copper-, and zinc-containing enzymes; PGRPs, MurA, LytA, LytM=Endopeptidase, Hydrolase LytB, and PGN decomposition by copper-, zinc-containing PGN inhibitive elongation occurs. Thus, Cu(Ⅱ) and Zn(Ⅱ) within Cu(NO3)2 and ZnSO4 solutions inhibit PGN biosynthesis and activate bacterial PGN autolysins against Staphylococcus epidermidis.
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Global Burden and Future Outlook of Antimicrobial Resistance

Published on: 25th March, 2026

Antimicrobial resistance (AMR) is a serious global health crisis. It is getting worse every year. Low- and middle-income countries (LMICs) are the most affected. This is mainly because infectious diseases are very common there. Poor water, sanitation, and hygiene (WASH) systems make things worse. On top of that, vaccination rates in these countries remain very low. All these factors together make AMR a much bigger threat in LMICs than anywhere else.The recent data showed that bacterial AMR was linked to about 4.95 million deaths worldwide, and 1.27 million of the deaths were directly attributable in 2019. Using information from the Global Burden of Diseases, Injuries and Risk Factors Study 2021. The GBD Antimicrobial Resistance Collaborators employed statistical modelling to evaluate AMR trends from 1990 to 2021 and to forecast the burden through 2050 across 204 nations and territories.The results are concerning. AMR-related deaths have increased significantly. Older adults aged 70 and above are the most affected group. However, there is some good news too. Deaths among children under five have dropped by nearly 50%. This is a big achievement. Better infection prevention has played a major role in this. Vaccination programs have also made a real difference. Improved water and sanitation (WASH) initiatives have helped as well. These combined efforts have clearly saved many young lives.Key pathogens contributing to AMR mortality include Klebsiella pneumoniae, Escherichia coli, Streptococcus pneumoniae and meticillin-resistant Staphylococcus aureus (MRSA). In the absence of improved interventions, deaths attributable to AMR are anticipated to rise to 1.91 million annually by 2050. It is important to strengthen infection prevention, surveillance, vaccination, and WASH with integrated One Health approaches to ease the future impact of AMR.
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The Urinary Microbiome: Shifting Paradigms from Sterile Urine to Microbial Dysbiosis in Chronic Pelvic Pain Syndrome

Published on: 13th April, 2026

The prevailing dogma regarding urinary tract sterility has been fundamentally challenged by advances in culture-independent molecular techniques. The urinary microbiome, also known as the urobiome, is defined as a complex ecosystem comprising bacteria, fungi, and viruses. This microbiome plays a pivotal role in maintaining urological health. Emerging evidence suggests a potential link between urinary microbial dysbiosis and the pathogenesis of Urologic Chronic Pelvic Pain Syndrome (UCPPS), a clinical umbrella term that explicitly encompasses two major phenotypes: Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) and Chronic Prostatitis/Chronic Pelvic Pain Syndrome (CP/CPPS).This review examines the paradigm shift in understanding urinary tract microbiology, characterizes the urobiome in health and disease, and explores the therapeutic implications of microbiome-targeted interventions for UCPPS management.
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Occurrence, Risk Factors, and Clinical Implications of Malaria–typhoid Co-infection among Febrile Patients Attending Camrail Medical Center, Douala, Cameroon

Published on: 4th June, 2026

Background: Malaria and typhoid fever remain major public health problems and important causes of febrile illness in sub-Saharan Africa, particularly in urban settings characterized by poor sanitation, unsafe water supply, overcrowding, and persistent malaria transmission. The clinical manifestations of both diseases frequently overlap, making accurate diagnosis difficult and often leading to empirical treatment, inappropriate antimicrobial use, and delayed patient management. This study assessed the occurrence, associated risk factors, and clinical implications of malaria–typhoid co-infection among febrile patients attending the Camrail Medical Center in Douala, Cameroon. Methods: A hospital-based analytical cross-sectional study was conducted among 220 febrile patients recruited systematically at the outpatient department. Data were collected using structured questionnaires, clinical assessment forms, and laboratory investigations. Malaria infection was diagnosed using standard parasitological methods, while typhoid fever was assessed using routine laboratory procedures. Data were analyzed using descriptive statistics, chi-square tests, and multivariate logistic regression in SPSS version 25. Results: Malaria mono-infection accounted for 31.8% of cases, typhoid mono-infection for 10.9%, and malaria–typhoid co-infection for 15.5%, whereas 41.8% of participants had neither infection. Significant predictors of co-infection included unsafe water sources (AOR = 3.12; p = 0.001), poor food hygiene (AOR = 3.85; p < 0.001), non-use of bed nets (AOR = 2.21; p = 0.021), and exposure to stagnant water (AOR = 2.76; p = 0.004). Co-infected patients experienced significantly more severe clinical manifestations, including high fever, vomiting, diarrhea, abdominal pain, and headache. Age-stratified analysis showed a higher proportion of co-infection among participants aged ≤25 years (18.8%) compared with those aged ≥26 years (12.9%), although the difference was not statistically significant (p = 0.194). Gender-based analysis demonstrated no significant association between sex and infection category (p = 0.606).Conclusion and recommendations: Malaria–typhoid co-infection remains a significant public health concern in Douala. Integrated diagnostic approaches, improved environmental sanitation, safe water access, food hygiene promotion, and strengthened malaria prevention measures are essential to reducing the burden of co-infection and limiting inappropriate antimicrobial use.
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Human Poxvirus Infections: Epidemiology, Transmission, and Clinical Features of Major Orthopoxvirus Diseases

Published on: 17th June, 2026

Poxviruses are big, double-stranded DNA viruses that can infect a variety of animal hosts, including humans. Other clinically significant poxvirus infections, such as monkeypox (mpox), cowpox, and molluscum contagiosum, continue to present new and re-emerging public health issues even after smallpox was eradicated. The epidemiology, transmission dynamics, clinical manifestations, diagnostic methods, and treatment approaches of the four main human poxvirus infections are all covered in this study’s methodical narrative synthesis.Relevant studies published between 2000 and 2025 were found by a systematic search of PubMed, Scopus, and Google Scholar; 34 of them were included in the final analysis. Results show that poxviruses differ significantly in host range, transmission patterns, and disease severity, despite sharing common biological traits including cytoplasmic replication and distinctive cutaneous lesion progression. While mpox has resurfaced worldwide, exhibiting persistent human-to-human transmission during the 2022–2023 outbreak, smallpox is still historically relevant because of its high fatality and successful eradication. Cowpox is still an uncommon zoonotic disease associated with animal reservoirs, while Molluscum contagiosum is still very common, especially in children and immunocompromised people. Antiviral medications like tecovirimat offer treatment options for severe cases, and advances in molecular diagnostics, especially polymerase chain reaction, have improved detection.The impact of dwindling population immunity and growing human-animal interaction is demonstrated by the resurgence and persistence of poxvirus diseases. To reduce future epidemics, more surveillance, better diagnostic capabilities, and integrated One Health policies are crucial.
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Intestinal Parasitic Infections in Schoolchildren and Their Pets in a Municipality from Havana, Cuba: Implications of Zoonotic Risk

Published on: 7th July, 2026

While canine pets offer significant psychological and physical benefits to their owners, especially children, there are well-documented health risks associated with pathogens that can be transmitted to humans.To determine the prevalence of intestinal parasites, with an emphasis on zoonotic ones, in children and their dogs, and to identify risk factors associated with infection, a cross-sectional descriptive study was conducted in children from primary schools in the Cerro municipality, province of Havana. One hundred and three children (36 with dogs and 67 without pets) from fifth and sixth grades were selected. Three stool samples were collected on alternate days, and one stool sample was collected from their pets using conventional coproparasitological techniques between September and December 2023. The results showed a prevalence of 38.8% of intestinal parasites in the children studied. Blastocystis spp. (30.1%) and Giardia duodenalis (17.5%) were the most prevalent zoonotic species. Ancylostoma caninum (8.3%) was the most frequent zoonotic parasite in dogs. Male sex was the only variable that showed statistical significance, associated with a higher risk of infection. There were no significant differences in the prevalence of intestinal parasites in the group of children with dogs compared to those without pets, and no statistical association in the analyzed epidemiological variablesIt is important to develop a One Health approach for the control of these zoonoses, as dogs can act as important sentinels of public health.
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Cholera: Knowledge, Attitudes and Practices from Indigenous Peoples of Mombénzélé in Likouala to the Republic of Congo

Published on: 21st July, 2026

Introduction: In the Republic of Congo, Mombénzélé village’s an area endemic for cholera where environmental and socio-economic factors favor the persistence of the epidemic. This study assessed the knowledge, attitudes, and practices (KAP) of the indigenous peoples of Mombénzélé regarding cholera to design culturally appropriate and sustainable prevention strategies.Materials and methods: This was a preliminary cross-sectional pilot study, descriptive and analytical in nature, conducted from April 21 to 31, 2026, in the indigenous community of Mombénzélé (Impfondo district, Republic of Congo). The study assessed adults. Convenience sampling was used. Data were collected via a questionnaire in Lingala and face-to-face interviews, with secure data entry on tablets. Analysis using SPSS, including socio-demographic profiles, KAP variables, and chi-square tests (p < 0.05), was conducted in strict compliance with ethical principles and anonymization guidelines. Results: The population studied is predominantly male (60%) and without formal education (92%). Cholera is largely unknown to 92% of individuals, who believe exclusively in mystical causes. Hygiene practices are dangerous, with a complete lack of water treatment (100%) and systematic recourse to traditional healers (60%). Vulnerability is exacerbated by open defecation (56% in the river) and a refusal to use chlorinated water (88%). Sociodemographic factors significantly influence behaviors, notably age, which impacts funeral practices (p = 0.033), and educational level, which determines access to the river (p = 0.0033). The main activity influences the consumption of treated water (p = 0.0218) and determines (p = 0.000026) funeral practices. Household size impacts the perception of cholera lethality (p = 0.009) and guides the choice of funeral practices (p = 0.045).Discussion: A cholera epidemic has struck the Mombénzélé village, affecting 96% of adults and exacerbated by a complete lack of awareness of the symptoms and a rejection of chlorinated water. The health crisis has driven 76% of the population to traditional medicine. Conclusion: To contain the health crisis in Mombénzélé, it’s essential to deploy a strategy combining the training of bilingual mediators and the improvement of water infrastructure, in order to overcome the lack of information on the transmission of cholera and to adapt prevention to the realities and cultural barriers of the indigenous community.
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Biochemical Responses to Fenvalerate Exposure in Zebrafish (Danio rerio Hamilton, 1822)

Published on: 24th July, 2026

Fenvalerate is a widely used synthetic pyrethroid insecticide with recognised toxicity to aquatic organisms. This study evaluated its toxic effects on zebrafish (Danio rerio) by assessing mortality, biochemical alterations, and protein profile changes following exposure to 20–100 µg/L fenvalerate. Mortality increased in a concentration- and time-dependent manner. At 20 µg/L, mortality increased from 55% at 24 h to 82% at 96 h, while 40 and 60 µg/L resulted in mortality rising from 62% to 94% and 71% to 99%, respectively. Exposure to 80 µg/L caused 79–100% mortality, and complete mortality was observed at 80 and 100 µg/L after 72 and 96 h, respectively. Sublethal (LC50) exposure induced significant biochemical changes in gill and muscle tissues. Gill protein content decreased from 120.0 ± 1.22 mg/g in controls to 110.0 ± 1.40 mg/g after 96 h, whereas muscle protein declined from 80.2 ± 1.3 to 60.0 ± 2.7 mg/g. Lipid reserves were also markedly reduced, with muscle lipid content decreasing from 4.0 ± 0.46% to 3.1 ± 0.12% and gill lipid content from 6.5 ± 0.22% to 2.5 ± 0.31% after 96 h. SDS-PAGE analysis revealed distinct alterations in protein banding patterns between control and treated fish, indicating fenvalerate-induced changes in protein expression. These findings demonstrate that fenvalerate causes severe concentration- and time-dependent toxicity, leading to increased mortality, depletion of proteins and lipids, and altered protein profiles, highlighting its ecological risk to aquatic organisms and the utility of zebrafish as a sensitive model for pesticide toxicity assessment.
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