So I'm new. I have learned so much from you all about raising chickens. I got 7 chicks from 2 different feed stores when they where about 1 week old. They are now almost 4 weeks old. All appear healthy & happy & growing like weeds. I have been reading stuff on this forum about sicknesses & vaccinations & medicated feed. Am I neglecting something? Do I need to either vaccinate or use medicated feed? And when? Or did they get vaccinated at the hatchery? Where do they get these illness from? I don't want my babies getting sick. Sorry, I know that this is a lot of questions but I am starting to be concerned that I am missing a step in the raising chicks process.