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Related Concept Videos

Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
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Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Amebiasis01:28

Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...

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Related Experiment Video

Updated: Jul 17, 2026

Dynamic Monitoring of Seroconversion using a Multianalyte Immunobead Assay for Covid-19
08:48

Dynamic Monitoring of Seroconversion using a Multianalyte Immunobead Assay for Covid-19

Published on: February 16, 2022

Characteristics Influencing Adherence to SARS-CoV-2 Serial Antigen Testing Following a Federal Safety Communication:

Micajah Z McGarity1, Catherine C Pollack1, Elizabeth A Currier1

  • 1Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States.

JMIR Public Health and Surveillance
|July 15, 2026
PubMed
Summary

Serial antigen-detection rapid diagnostic tests (Ag-RDTs) adherence was low, with less than 1% following FDA guidance. Recent COVID-19 exposure was linked to higher adherence rates for SARS-CoV-2 testing.

Keywords:
COVID-19Centers for Disease Control and Preventionantigen testingat-home testingcommunity testingdiagnostic testing strategyfalse-negativepublic health surveillancereal-world evidencerepeat testingrisk communicationserial testingtesting adherence

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COVID-19 Seroprevalence Test for IgG Antibody Levels Among Healthy Donors Across Different Pandemic Phases in Jeddah
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Published on: June 24, 2025

Related Experiment Videos

Last Updated: Jul 17, 2026

Dynamic Monitoring of Seroconversion using a Multianalyte Immunobead Assay for Covid-19
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Dynamic Monitoring of Seroconversion using a Multianalyte Immunobead Assay for Covid-19

Published on: February 16, 2022

COVID-19 Seroprevalence Test for IgG Antibody Levels Among Healthy Donors Across Different Pandemic Phases in Jeddah
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COVID-19 Seroprevalence Test for IgG Antibody Levels Among Healthy Donors Across Different Pandemic Phases in Jeddah

Published on: June 24, 2025

Area of Science:

  • Public Health
  • Infectious Disease Epidemiology
  • Diagnostic Testing

Background:

  • Antigen-detection rapid diagnostic tests (Ag-RDTs) became vital for COVID-19 monitoring due to limitations of PCR testing.
  • The FDA recommended serial Ag-RDT testing to mitigate false-negative results and control SARS-CoV-2 spread.

Purpose of the Study:

  • To evaluate adherence to FDA serial testing recommendations for Ag-RDTs.
  • To analyze adherence using data from the CDC's Increasing Community Access to Testing, Treatment, and Response (ICATT) program.

Main Methods:

  • Retrospective cohort study of ICATT program testing records (August 2022 - January 2025).
  • Inclusion criteria: at least one Ag-RDT performed.
  • Adherence assessed by compliance with FDA serial testing guidance; logistic regression used to identify associated factors.

Main Results:

  • Less than 1% of over 2 million patients adhered to serial Ag-RDT testing recommendations.
  • Adherence was higher among Asian and Black patients, and lower in children.
  • Recent COVID-19 contact increased adherence odds, while recent infection decreased them.

Conclusions:

  • Adherence to FDA serial Ag-RDT testing guidance was notably low in community testing settings.
  • Recent COVID-19 exposure emerged as a significant predictor of increased adherence.
  • Findings can guide public health strategies to enhance adherence and improve diagnostic accuracy in future pandemics.