Please help! 2 Chicks died and do not want any others infected :(

[Zippy007]

I made another post but no reply, unexpected death of 2 chicks?!? What could it be will it spread???

Eyes were closed shut with mucus face swelling and blood in poo
???

 

[Judy]

duplicate

https://www.backyardchickens.com/t/...icks-died-and-do-not-want-any-others-infected