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Integrated screening and testing for TB and COVID-19 in Peru
M A Tovar1,2, D Puma1, S Palomino1
1Socios En Salud Sucursal Peru, Lima, Peru.
Public Health Action
|March 23, 2022
Summary
Integrating tuberculosis (TB) and COVID-19 screening into mobile units in Peru diagnosed TB in 1 in 168, SARS-CoV-2 antibodies in 1 in 3, and PCR-confirmed infections in 1 in 8, avoiding diagnostic delays.
Area of Science:
- Public Health
- Infectious Disease Epidemiology
- Mobile Health Interventions
Background:
- Tuberculosis (TB) and COVID-19 are significant global health challenges.
- Mobile screening units offer a platform for reaching diverse populations.
- Co-screening for respiratory illnesses can improve diagnostic efficiency.
Purpose of the Study:
- To evaluate the integration of COVID-19 screening and testing into an existing mobile TB screening unit.
- To assess the feasibility and yield of combined TB and SARS-CoV-2 diagnostics in a mobile setting.
- To determine the prevalence of TB and SARS-CoV-2 in a screened population.
Main Methods:
- Chest radiographs analyzed with CAD4TB and CAD4COVID software.
- Tuberculosis testing using Xpert MTB/RIF Ultra.
- SARS-CoV-2 testing via antibody assays and polymerase chain reaction (PCR).
- Screening conducted within a mobile unit in Lima, Peru.
Main Results:
- One TB case diagnosed per 168 individuals screened.
- One individual with SARS-CoV-2 antibodies identified per 3 screened.
- One PCR-confirmed SARS-CoV-2 infection detected per 8 individuals screened.
Conclusions:
- Integrated screening in mobile units is effective for diagnosing both TB and COVID-19.
- This approach can significantly reduce diagnostic delays for co-occurring respiratory infections.
- Mobile health strategies are valuable for simultaneous infectious disease surveillance.
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