1. (Hong Kong has been) a shock to the system
2. wiping me out
3. They are convenient, fast and cheap.
5. The most worrying problem is that doctors give out antibiotics as if they are sweets, which can lead to bacteria that are resistant to the medicine, known as superbugs.
6. They have been found on the MTR and HK$20 notes.
8. research the drugs online to see which she actually needs to take
10. disease/illness/sickness/medical condition