Results 51 to 60 of about 214,950 (259)

Who Could Be Blamed in the Case of Discrepant Histology and Serology Results for Helicobacter pylori Detection?

open access: yesDiagnostics, 2022
Background. Discrepancies between histology and serology results for Helicobacter pylori detection could be caused by a variety of factors, including a biopsy sampling error, expertise of the pathologist, natural loss of infection due to advanced atrophy,
Sabine Skrebinska   +16 more
doaj   +1 more source

The epidemiology of canine leishmaniasis: transmission rates estimated from a cohort study in Amazonian Brazil [PDF]

open access: yes, 1997
We estimate the incidence rate, serological conversion rate and basic case reproduction number (R0) of Leishmania infantum from a cohort study of 126 domestic dogs exposed to natural infection rates over 2 years on Marajó Island, Pará State, Brazil.
Courtenay, O.   +3 more
core   +1 more source

Serology in ocular toxoplasmosis. [PDF]

open access: yesBritish Journal of Ophthalmology, 1986
The diagnostic value of toxoplasma serology in ocular disease was evaluated in the following groups of patients: (I) uveitis cases of various causes (n = 291); (II) consecutive posterior and panuveitis patients (n = 60); (III) patients with definite congenital and ocular toxoplasmosis (n = 8); (IV) cases of clinical ocular toxoplasmosis (n = 25); and ...
Rothova, A   +5 more
openaire   +3 more sources

Detection of Human Group a and C Rotaviruses in Pediatric Patients with Acute Gastroenteritis by Real TIME RT-PCR Assay: a Preliminary Study [PDF]

open access: yes, 2010
Rotavirus causes 25–55% of all hospital admissions for diarrhea and approximately 611.000 deaths every year in developing countries. Clinically, it is not possible to recognize the diarrhea caused by rotavirus and other infections.
Dewi, B. E. (Beti)   +3 more
core  

Longitudinal Analysis of Antibody Responses to Trachoma Antigens Before and After Mass Drug Administration. [PDF]

open access: yes, 2014
Blinding trachoma, caused by the bacteria Chlamydia trachomatis, is a neglected tropical disease targeted for elimination by 2020. A major component of the elimination strategy is mass drug administration (MDA) with azithromycin.
Dize, Laura   +10 more
core   +2 more sources

Inhibition of miR-155 Promotes TGF-β Mediated Suppression of HIV Release in the Cervical Epithelial Cells

open access: yesViruses, 2021
TGF-β has been shown to play a differential role in either restricting or aiding HIV infection in different cell types, however its role in the cervical cells is hitherto undefined.
Jyotsna Gokavi   +5 more
doaj   +1 more source

Infectiousness in a Cohort of Brazilian Dogs: Why Culling Fails to Control Visceral Leishmaniasis in Areas of High Transmission [PDF]

open access: yes, 2002
The elimination of seropositive dogs in Brazil has been used to control zoonotic visceral leishmaniasis but with little success. To elucidate the reasons for this, the infectiousness of 50 sentinel dogs exposed to natural Leishmania chagasi infection was
Courtenay, O.   +4 more
core  

Differences in antibiotic and antiviral use in people with confirmed influenza: a retrospective comparison of rapid influenza PCR and multiplex respiratory virus PCR tests

open access: yesBMC Infectious Diseases, 2021
Background Influenza is a highly contagious respiratory virus with clinical impacts on patient morbidity, mortality and hospital bed management. The effect of rapid nucleic acid testing (RPCR) in comparison to standard multiplex PCR (MPCR) diagnosis in ...
Victor Au Yeung   +5 more
doaj   +1 more source

TIV vaccination modulates host responses to influenza virus infection that correlate with protection against bacterial superinfection [PDF]

open access: yes, 2019
Background: Influenza virus infection predisposes to secondary bacterial pneumonia. Currently licensed influenza vaccines aim at the induction of neutralizing antibodies and are less effective if the induction of neutralizing antibodies is low and/or the
Choi, Angela   +4 more
core   +2 more sources

DNA Methylation of the ABO Promoter Underlies Loss of ABO Allelic Expression in a Significant Proportion of Leukemic Patients [PDF]

open access: yes, 2009
Background: Loss of A, B and H antigens from the red blood cells of patients with myeloid malignancies is a frequent occurrence. Previously, we have reported alterations in ABH antigens on the red blood cells of 55% of patients with myeloid malignancies.
A Dobrovic   +60 more
core   +15 more sources

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