Screening
Screening helps prevent the spread of infections by identifying people who might be infectious before they enter a facility. There are two main approaches to screening: passive and active. Here’s how they differ.
What is passive screening?
Passive screening allows individuals to assess their own symptoms and risk factors to decide if they should enter a facility. This method is simple and does not require staff involvement. It typically includes:
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Reviewing signs, posters, or instructions at the facility entrance
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No further verification or tracking of responses
Example: A visitor reads a COVID-19 symptom checklist or reviews the visitor screening poster posted at the door and decides whether they should enter.
What is active screening?
Active screening involves collecting information to confirm if someone is safe to enter the facility. This process often includes:
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Screening onsite (e.g., using a questionnaire, paper form, or kiosk)
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Screening remotely through phone, email, or an app before arrival
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Verification through attestation, where individuals confirm their answers
This approach is usually implemented during outbreaks or emergencies when stricter safety measures are necessary.
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Southwestern Public Health (8:30 a.m. - 4:30 p.m., Monday - Friday)
St. Thomas Site
(Administrative office)
1230 Talbot Street
St. Thomas, ON N5P 1G9
Woodstock Site
410 Buller Street
Woodstock, ON N4S 4N2
Call us toll free: 1-800-922-0096
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