Víctor Zavaleta-Gavidia

ORCID: 0000-0003-1760-4241
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About
Contact & Profiles
Research Areas
  • Viral Infections and Vectors
  • Mosquito-borne diseases and control
  • Viral Infections and Outbreaks Research
  • Radiomics and Machine Learning in Medical Imaging
  • Machine Learning in Healthcare
  • Bacterial Infections and Vaccines
  • Gut microbiota and health
  • Viral gastroenteritis research and epidemiology
  • Tracheal and airway disorders
  • Public Health and Environmental Issues
  • Clostridium difficile and Clostridium perfringens research
  • Gastroesophageal reflux and treatments
  • Respiratory and Cough-Related Research
  • Malaria Research and Control
  • Bacillus and Francisella bacterial research
  • Respiratory viral infections research
  • Helicobacter pylori-related gastroenterology studies
  • Microbial Metabolites in Food Biotechnology
  • Public Health and Social Inequalities
  • Infective Endocarditis Diagnosis and Management
  • Artificial Intelligence in Healthcare
  • Pneumonia and Respiratory Infections
  • Bartonella species infections research

National University of Cajamarca
2014-2025

Bartonella bacilliformis is the etiologic agent of Carrion's disease. This disease has two well established phases, most relevant being so called Oroya Fever, in which B. infect erythrocytes resulting severe anemia and transient immunosuppression, with a high lethality absence adequate antibiotic treatment. The presence was studied 113 blood samples suspected based on clinical criteria, despite positive thin smear, by different PCR techniques (using Bartonella-specific universal 16S rRNA...

10.1371/journal.pone.0092283 article EN cc-by PLoS ONE 2014-03-20

The infection caused by Mayaro virus (MAYV), which presents as an acute febrile illness, is considered a neglected tropical disease. endemic and emerging pathogen in South America the Caribbean, responsible for occasional poorly characterized outbreaks. Currently there limited information about its expansion risk areas.A cross-sectional study was performed 10 urban primary care health centers Cajamarca region of Peru from January to June 2017. A total 359 patients with suspected illness were...

10.1016/j.ijid.2020.01.024 article EN cc-by-nc-nd International Journal of Infectious Diseases 2020-01-21

Dengue is the most prevalent acute febrile disease with serious clinical consequences in tropical and subtropical regions of Asia America. In Peru, it represents a significant public health issue due to its hyperendemic nature, serotype 2 (DENV-2) being predominant that leads severe manifestations disease. This study focuses on molecular characterization analysis intraserotypic diversity DENV-2 circulating endemic region Cajamarca. A total 3,967 blood serum samples from patients illness...

10.3389/fmicb.2025.1558761 article EN cc-by Frontiers in Microbiology 2025-04-28

The objective of this study was to determine the prevalence clarithromycin-resistant Helicobacter pylori in asymptomatic children a rural community Cajamarca (northern Peru).Helicobacter detected 17.2% (49/285) samples. Unboiled water consumption most frequent associated factor patients with positive PCR for H. infection (93.9%). Clarithromycin resistant mutations were found 79.6% (39/49) samples pylori. mutation A2142G (46.9%), followed by double-mutation A2142G-A2143G (28.6%).

10.1186/s13104-018-3919-z article EN cc-by BMC Research Notes 2018-11-14

To identify the clinical and epidemiological characteristics related to lethality in patients hospitalized for COVID-19 at Simón Bolívar Hospital Cajamarca, during June-August 2020. This was a retrospective cohort, that used information collected from records official surveillance systems (NOTIWEB, SISCOVID SINADEF), on with confirmed diagnosis. Information sociodemographic factors, considering discharge (death/survival) days of hospitalization as outcomes. The in-hospital fatality rate...

10.17843/rpmesp.2021.384.8890 article EN cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2021-12-22

Abstract Objective To describe the prevalence of dengue virus serotypes, as well other viral and bacterial pathogens that cause acute febrile illness during an outbreak in Cajamarca 2016. Results Dengue (DENV) was most frequent etiologic agent detected 25.8% samples (32/124), followed by Rickettsia spp. 8.1% (10/124), Zika 4.8% (6/124), Chikungunya 2.4% (3/124) Bartonella bacilliformis 1.6% (2/124) cases. No positive cases were Oropouche Leptospira DENV serotypes identification only achieved...

10.1186/s13104-020-05318-5 article EN cc-by BMC Research Notes 2020-10-06

Acute infective gastroenteritis (AIG) is a leading cause of mortality in children worldwide. In Peru, more than 40% cases AIG occurring under 5 years old. The disruption the gut microbiota can increase risk for several health complications especially patients with gastric infections caused by viruses or bacteria.The main objective this study was to describe prevalence 13 representative bacteria from (GM) stools samples age acute gastroenteritis.The most commonly isolated GM were Firmicutes...

10.7717/peerj.9964 article EN cc-by PeerJ 2020-11-03

Background The Chikungunya virus (CHIKV) is an emerging arthropod-borne (arbovirus) that causes undifferentiated acute febrile illness. Cases of CHIKV may be under-reported in Peru, given the various difficulties diagnosing it, such as lack diagnostic tests remote areas, passive nature epidemiological surveillance, and co-circulation other pathogens. Therefore, a study was conducted high jungle northern Peru to determine prevalence among patients describe their clinical characteristics....

10.1371/journal.pntd.0011787 article EN cc-by PLoS neglected tropical diseases 2023-12-11

Objective: To describe and molecularly characterize an outbreak of dengue virus (DENV) infection in Cajamarca, Andean region Peru. Methods: A total 359 serum samples from patients with acute febrile illness were assessed for the presence DENV via RT-PCR, ELISA NS1, IgM IgG Peru January 2017 to June 2017. The evaluation different diagnostic tests their applicability was performed. Results: Dengue detected 24.7% by RT-PCR. Meanwhile, serological analysis 30.3% positive cases NS1 antigen, 16.7%...

10.4103/1995-7645.326257 article EN Asian Pacific Journal of Tropical Medicine 2021-10-01

Background and Objectives: Pertussis is an infectious disease caused by the Gram-negative bacterium Bordetella pertussis. In Peru, actual public health programs indicate that vaccination against B. pertussis must be mandatory generalized, besides all detected cases reported. The objective of this study was to determine prevalence among children under five years age with a presumptive diagnosis whopping cough in Cajamarca, region located northern Peru. Materials Methods: population...

10.18502/ijm.v13i1.5488 article EN cc-by-nc Iranian Journal of Microbiology 2021-02-23
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