canine infectious respiratory disease complex (CIRDC)

Not uncommonly, I get questions about outbreaks of “kennel cough” (more formally known as canine infectious respiratory disease complex (CIRDC)). It’s not uncommon for us to see little outbreaks of this kind of respiratory illness in dogs, and we don’t have a good handle on the amount of “background” disease that’s always present in the

I’m once again prepared to call Ontario (and Canada) canine influenza-free… for now, at least. The latest cluster, associated with another importation of the virus from China, seems to have been contained.

The last new positive case was identified October 30, with the likely date of exposure being October 23. We are now beyond the

I’ve been behind on posts so here’s a quick update: things seem to be going well in the latest Canadian H3N2 canine influenza outbreak. Here’s the rundown:

  • After eradicating the last outbreak in the spring, cases were identified again in mid-October, associated with more importation of dogs from Asia.
  • The last new positive dog was

Things have been quiet over the past few days. That’s good news (but always makes me a bit antsy, because I want to be sure it’s because there are no new cases vs we’re just not finding them). Documented infections have been confined to one region, with the exception of a dog that travelled out

Canine influenza virus (CIV) has been re-introduced to Ontario, again in the Muskoka region.  Variant typing for the latest case should be available shortly, but in all likelihood this is once again H3N2 CIV.

More details will follow; however, dog owners and veterinarians in this region should be aware of the return of this highly

I’ve been holding off saying “it’s gone” but based on all the information we have at the moment, there’s no evidence of ongoing canine flu activity in Canada, at least for now. No new cases have been identified in a few weeks and we are now beyond the 28-day recommended quarantine period for all of