An article from Dogs Naturally Magazine re: the latest illness in dogs, which I read today is a never seen before bacterium which the researchers have been unsuccessful in being able to grow in culture.
https://www.dogsnaturallymagazine.com/5-ways-to-manage-respiratory-infection-in-dogs/?fbclid=IwAR1pbPGYQ57ArAtmooQMQkMbvoLx81BsVWN9x9EEzFPLYxiZ7Qw867wLpNA