My ds 3.5 attens nursery school 3 half days a week. Has just had chronic virus that lasted 1 week/ PROBLEM IS IF HE IS ILL, HE CAN'T GO TO NURSERY. wOULD LIKE TO HEAR FROM satm OR WORKING MUMS WHO USE A NURSEY CONCERNING THE IDEA THAT IF CHILD DOES NOT GO TO NURSEY HE/SHE GETA LESS COLDS/coughhs etc.. Is this true or is it just bad luck ????