An HKDSE exam candidate scans a QR code using the government's LeaveHomeSafe COVID-19 tracing app on his mobile at the exam center at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

HONG KONG - Hong Kong schools have been asked to carefully implement anti-COVID measures to ensure candidates' well-being during the Hong Kong Diploma of Secondary Education Examination.

Exam centers should keep a 1.8-meter seating distance between candidates, who must wear their masks at all times, according to the Hong Kong Examinations and Assessment Authority.

Candidates must conduct a rapid antigen test for COVID-19 before the exam, take a photograph of their negative test result, and sign a health declaration form.

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Candidates keep a safe distance as they line up to register for the Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

A candidate puts her health declaration form in a collection box before sitting the Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

An invigilator distributes the exam papers to candidates sitting for the English exam of the Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

Candidates take the English exam at Cognitio College (Kowloon) as the three-week Hong Kong Diploma of Secondary Education Examination kicks off on April 22, 2022. (PROVIDED TO CHINA DAILY)

Candidates are seated at a distance of at least 1.8 meters during the Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

Candidates are seated at a distance of at least 1.8 meters during the Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)

A candidate takes the English exam at Cognitio College (Kowloon) as the Hong Kong Diploma of Secondary Education Examination kicks off on April 22, 2022. (PROVIDED TO CHINA DAILY)

Health declaration forms for candidates to fill in before sitting the  Hong Kong Diploma of Secondary Education Examination at Cognitio College (Kowloon), April 22, 2022. (PROVIDED TO CHINA DAILY)