koras,
my gal also kept getting sick from Feb this year. For her she has this prolonged phelgmy cough problem.
She has been attending school since Oct 2010. Never had this problem last time.
But then this year I changed her to a new school, so maybe it was that new school's environment. This new school is fully aircon.
we saw PD every mth. finally was referred to a respiratory specialist in kkh.
Doctor said she has sensitive airways. we must clean our hse more frequent (previously i'm very lazy only clean once a week, bed sheets only change fortnightly, curtains abt monthly...yes yes i know i'm super lazy
), no soft toys, avoid aircon as much as possible.
Sylvia is right, aircon if not serviced/clean regularly is harmful for our little ones whom have sensitive airways. coz all the virus/bacteria trap in the aircon filter.
I was so desperate that I changed her back to her old school (which no aircon at all) in August.
she is still on inhaler and zyrtec but *touchwood* her condition is better now that she is back in her old school.