Q: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Article: During your stay outside Hong Kong, you may have been exposed to certain infectious diseases without your knowledge. In case you develop any symptom such as fever, chills, skin troubles or vomiting within 14 days of your arrival in Hong Kong, you should consult a doctor or attend an accident & emergency department/general out-patient clinic. Please bring along this card. CHIEF PORT HEALTH OFFICER The Port Health Office Their staff(clerks) are glad to answer your questions about travel health. Please enquire at : --prefix = st1 /Hong KongIsland18/F Wuchung House,213 Queen's Rd. East, Wanchai. Tel :2938840Fax: 29318848 -- Kowloon Room 905, Government Offices, Canton Road Tel :23683361 Fax :23683363
Answer: all travellers to Hong Kong
A:
The notice is to _ .