Hello , looking for a little advice or to see if anyone as experienced something similar. I have been raising chicks since fall and have my grow-outs.. outside. With spring approaching I have purchased some more chicks and have those in two brooders. I also did a hatch just over 1 month ago and have those chicks in their own brooder. These chicks that I hatched are EE , barnyard mix and Polish. None of the birds have been outside. All of a sudden last week these chicks that I hatched started to sneeze (about 1 month old ), that day I heard two a little wheezy . The wheezing lasted a day or two and went away. However the sneezing is continuing and now I am noticing some projectile like watery poops. None of the other brooders have had any symptoms. They have been removed from the area, everything has been cleaned and sanitized. The chicks in question are in a wooden brooder with tall sides made from hardware cloth as well as the top. I clean their shavings out regularly. They are eating medicated chick starter and drinking fresh water daily with vitamins and electrolytes. I’m confused as to what would cause this and worry that if they are now carriers of something they could contaminate the rest of my flock if I keep them. I am open to any thoughts or advice. Note: I did switch to a new brand of shavings and switched back after the sneezing started wondering if that could have been bothering them .. I do feel like the sneezing is less but it hasn’t gone away .