Search Results - "DE WAARD, Jacobus H"
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High Prevalence of Prototheca bovis Infection in Dairy Cattle with Chronic Mastitis in Ecuador
Published in Veterinary sciences (25-11-2022)“…The genus , a unicellular, non-photosynthetic, yeast-like microalgae, is a pathogen of concern for the dairy industry. It causes bovine mastitis that currently…”
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First Case Reports of Nontuberculous Mycobacterial (NTM) Lung Disease in Ecuador: Important Lessons to Learn
Published in Pathogens (Basel) (23-03-2023)“…Nontuberculous mycobacteria (NTM) lung infections are often misdiagnosed as tuberculosis, which can lead to ineffective antibiotic treatments. In this report,…”
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3
Stunting correlates with high salivary and serum antibody levels after 13-valent pneumococcal conjugate vaccination of Venezuelan Amerindian children
Published in Vaccine (29-04-2016)“…Highlights • In Venezuelan children, PCV13 salivary and serum antibody levels correlated well. • Saliva may be used as a read-out for PCV13 vaccine response. •…”
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4
Immunoglobulin G antibody response to the Sputnik V vaccine: previous SARS-CoV-2 seropositive individuals may need just one vaccine dose
Published in International journal of infectious diseases (01-10-2021)“…•A longitudinal study to determine the immoglobulin G response after Sputnik V vaccine•SARS-CoV-2 seronegative vaccinees showed a primary response upon…”
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Pre-existing T-cell immunity to SARS-CoV-2 in unexposed healthy controls in Ecuador, as detected with a COVID-19 Interferon-Gamma Release Assay
Published in International journal of infectious diseases (01-04-2021)“…•We used an IGRA to analyze a T-cell response in COVID-19 patients and healthy unexposed controls.•We show that 80% of the convalescent COVID-19 patients had…”
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6
Assessing the impact of various tuberculin PPD brands on bovine tuberculosis diagnosis
Published in Scientific reports (02-03-2024)“…Although several brands of tuberculin purified protein derivatives (PPDs) are available for diagnosing bovine tuberculosis (bTB), comparative studies to…”
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Worldwide Prevalence of mcr-mediated Colistin-Resistance Escherichia coli in Isolates of Clinical Samples, Healthy Humans, and Livestock—A Systematic Review and Meta-Analysis
Published in Pathogens (Basel) (08-06-2022)“…Background: Antimicrobial resistance is a serious public-health problem throughout the world. Escherichia coli, the most common Gram-negative microorganism,…”
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Lasting SARS-CoV-2 specific IgG Antibody response in health care workers from Venezuela, 6 months after vaccination with Sputnik V
Published in International journal of infectious diseases (01-09-2022)“…•We measured RBD-IgG levels in Sputnik V vaccinated 6 months after vaccination.•The GMT of RBD-IgG antibodies in a COVID-19 naïve cohort was 327 BAU/ml.•The…”
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9
Population structure and genetic diversity of Mycobacterium tuberculosis in Ecuador
Published in Scientific reports (10-04-2020)“…Tuberculosis (TB) is a significant public health problem in Ecuador with an incidence of 43 per 100,000 inhabitants and an estimated multidrug-resistant-TB…”
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10
Drug susceptibility patterns of rapidly growing mycobacteria isolated from skin and soft tissue infections in Venezuela
Published in European journal of clinical microbiology & infectious diseases (01-03-2020)“…To our knowledge, this is the first work on drug susceptibility patterns of rapid growing mycobacteria from Latin America. The susceptibility patterns for 14…”
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11
The metabolic hormone adiponectin affects the correlation between nutritional status and pneumococcal vaccine response in vulnerable indigenous children
Published in PloS one (21-07-2022)“…Background Almost 200 million children worldwide are either undernourished or overweight. Only a few studies have addressed the effect of variation in…”
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12
Pneumococcal Carriage among Indigenous Warao Children in Venezuela: Serotypes, Susceptibility Patterns, and Molecular Epidemiology
Published in Clinical infectious diseases (01-12-2007)“…Little attention has been paid to pneumococcal carriage and disease in Amerindians from Latin America. The Warao people, an indigenous population from…”
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13
Colistin resistance in Escherichia coli and Klebsiella pneumoniae in humans and backyard animals in Ecuador
Published in Revista panamericana de salud pública (01-01-2023)“…Colistin is an antibiotic of last resort for treating serious Gram-negative bacterial infections. However, the misuse of colistin, especially as an animal…”
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14
Childhood Vaccine Acceptance and Refusal among Warao Amerindian Caregivers in Venezuela; A Qualitative Approach
Published in PloS one (20-01-2017)“…Acceptance of childhood vaccination varies between societies, affecting worldwide vaccination coverage. Low coverage rates are common in indigenous populations…”
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15
Decreasing prevalence of Hepatitis B and absence of Hepatitis C Virus infection in the Warao indigenous population of Venezuela
Published in PloS one (25-05-2018)“…Prevalence and molecular epidemiology studies for hepatitis B (HBV) and C (HCV) virus are scarce in Warao Amerindians from Venezuela, where an epidemic of…”
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High malnutrition rate in Venezuelan Yanomami compared to Warao Amerindians and Creoles: significant associations with intestinal parasites and anemia
Published in PloS one (15-10-2013)“…Children in rural areas experience the interrelated problems of poor growth, anemia and parasitic infections. We investigated the prevalence of and…”
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17
Odontogenic cutaneous sinus tracts due to infection with nontuberculous mycobacteria: a report of three cases
Published in BMC infectious diseases (21-04-2020)“…Soft tissue or skin infections due to nontuberculous mycobacteria (NTM) have been reported frequently and are mostly associated with trauma or cosmetic…”
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18
Lipoarabinomannan antigenic epitope differences in tuberculosis disease subtypes
Published in Scientific reports (18-08-2020)“…An accurate urine test for diverse populations with active tuberculosis could be transformative for preventing TB deaths. Urinary liporabinomannan (LAM)…”
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Co-Harboring of Beta-Lactamases and mcr-1 Genes in Escherichia coli and Klebsiella pneumoniae from Healthy Carriers and Backyard Animals in Rural Communities in Ecuador
Published in Antibiotics (Basel) (05-05-2023)“…Few studies have addressed drug resistance of Enterobacterales in rural communities in developing countries. This study aimed to determine the coexistence of…”
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20
Managing Complicated Nontuberculous Mycobacteria Infections in Plastic Surgery
Published in Plastic and reconstructive surgery. Global open (01-10-2024)“…Nontuberculous mycobacteria (NTM) infections after cosmetic surgery have become an increasing concern. These infections are often initially misdiagnosed and…”
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