Unfortunately not... I'm not sure... just quarantine them. Do the routine worming, maybe give antibiotics if it gets worse. Keep them inside in a cage or in a shed. Are they eating and drinking?
https://www.nadis.org.uk/disease-a-z/poultry/diseases-of-farmyard-poultry/part-1-mycoplasmosis/#:~:text=Mycoplasma%20gallisepticum%3A%20signs%20can%20include,main%20culprit%20in%20backyard%20flocks.
Could it be this?