I have 2 hens one is 6 and the other is 1 year old. the younger one i just got like 3 weeks ago and she has recently started sneezing like once every minute or 2 minutes the older hen is completely fine she hasn't sneezed at all. She stared the sneezing before I cleaned our coop out. Then I did a thorough job cleaning there was Alot of dust. I put some food grade diatomaceous earth on the floor then Hay and sprayed the nests and roosts with a white vinegar/water solution. Then put hay down there as well I thought that would help her but she is still sneezing and the other older hen is fine. The sneezing hen is eating and drinking I believe. Also when I gave the younger hen tomatoes she would eat some then it sounded kinda weezey/gurgley like she was trying t eat and breath thru her mouth but sounded normal when I gave her other foods idk. I'm scared for her idk what i should do! Please help! I can use any information I can get! Thanks!