唔同嘅legislation 下 court order 唔一定係必要。醫生無既定責任唔代表醫生不能報料。
The adviser referred to the GMC's guidance on confidentiality particularly in relation to disclosures in the public interest. Paragraph 37 states that personal information can be disclosed in the public interest without consent, or if consent has been withheld, if the benefits to society outweigh the patient's interests in keeping the information confidential.
UK
https://www.themdu.com/guidance-and-advice/journals/inpractice-december-2013/disclosure-to-the-police
However, the report from the Parliamentary Library still makes it clear that warrantless access by authorities, including police and other agencies such as Immigration and the Australian Tax Office, is allowed under current legislation.
Section 70 of the My Health Records Act 2012 enables the Australian Digital Health Agency to “use or disclose health information” contained in an individual’s record.
To do this, the Australian Digital Health Agency must reasonably believe that disclosure is needed to investigate or prosecute someone for a criminal offence or protect public revenue or remedy “seriously improper conduct”.
Aus
https://www.businessinsider.com.au/police-access-digital-health-records-2018-7
請留意閣下的個人資料可能會提供予下述適當人士:
在相關法例要求下,醫管局須向相關政府部門/機構提交有關資料作該法例相關用途。
http://www.ha.org.hk/visitor/ha_visitor_index.asp?Content_ID=200020&Lang=CHIB5&Dimension=100&Ver=HTML

不合法行為,可能對公眾做成嚴重損害係會豁免
https://www.pcpd.org.hk/english/news_events/whatison/files/PCPD_Medical_Association_1Dec2015.pdf
換句話講,只要人地合理地認為你係危險人物,佢就可以透露你嘅相關資料而不需事先向法庭申請。