It has been five weeks since my son came home from school with strep throat. But somehow the virus must have lingered maybe on his backpack or his toothbrush or his delicate skin because this weekend the same virus leveled me. When my son comes down with a cold or fever, I expect to catch his ailment. I usually don’t, which I credit to a healthy immune system that built up strength when as a kid I tangled with a variety of mud, germs and lake water. Besides, people are most contagious up to two to three days before they …read more