Please help! I think my flock is experiencing a respiratory infection

[Wyorp Rock]

Here are some photos, I know they aren’t great but I had another hen with some bubbling in her eye so I got her in with the others. He breathing sounds a little funny as well

I'll take a look at the thread you made; it's found in the link below.
https://www.backyardchickens.com/threads/coryza-mycoplasma-or-something-else.1648083/#post-28243669