https://cdis.chp.gov.hk/
Available to registered medical practitioners practising in Hong Kong*. Login ID and password are required for access.

2477 2770
Notification forms can be downloaded from the CHP website.

2477 2772
CENO operates from 9 a.m. to 6 p.m. on Monday, and 9 a.m. to 5:45 p.m. from Tuesday to Friday. After office hours or on public holidays, any urgent notification should be made to the Medical Control Officer.

diseases@dh.gov.hk
CENO provides an option for notification using email which can be digitally signed and encrypted. Message content should include the sender's name and contact telephone number, and the patient's clinical and contact information.

Central Notification Office, 3/F., 147C Argyle Street, Kowloon.

The above channels are preferable to mail, as the latter takes considerably longer time to reach CENO. NB *Refer to registered medical practitioners appearing in the "Full registration (Resident List)" or "Limited Registration" list under the "List of Registered Doctors" published by the Medical Council of Hong Kong. The accounts of medical practitioners who are not in the fore-mentioned lists will be inactivated.