Sick again! The hazards of being a doc in Hong Kong

I try my best not to get sick. I wash my hands between and after all patients. I wear a mask when I see sick patients (parents and kids who've come in for the past few weeks have all been sick!). I try to stay as far away as possible from those who are hacking their lungs out on the MTR or on the streets. I even turn my head away if I know the person sitting next to me is sick.

Yet I am sick again.  This time, a strain of rhinovirus has given me cold and cough symptoms. Though this is mild compared to the Fifth Disease (Parvovirus B19 infection) that I caught in August, I'm still upset that I'm getting sick this often.  Back in Toronto, I used to get sick merely once or twice a year. This year, I've already caught at least 3 infections. I guess the high density population and hot/ humid weather in Hong Kong don't help... ARRRGHHHHH....