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 rash, diarrhea or vomiting within 14 days of your arrival in Hong Kong, you should consult a doctor or attend an accident & emergency department or general outpatient clinic. Please bring along this card. CHIEF PORT HEALTH OFFICE The Port Health Office Their staff is glad to answer your questions about travel health. Please inquire at: --Hong Kong Island 18 F, Wu Chung House, 213 Queen's Rd. East, Wanchai. Tel: 2961 8840 -- Kowloon Room 905, Government Offices, Canton Road Tel: 2368 3361 According to the passage, you may get some infectious diseases   _  .
when arriving in Hong Kong before you understand them within 2 weeks of your arriving in Hong Kong before arriving in Hong Kong