There are some underlying conditions which can cause obesity in cats, however these illnesses only make up a very small proportion of the total reported obesity cases in cats. (petinsurancereview.com)
Several different fungal species found throughout the world can cause ringworm, but the vast majority of cases in dogs are caused by Microsporum canis, Microsporum gypseum, or Trichophyton mentagrophytes; the majority of cases in cats caused by Microsporum cati. (web-dvm.net)
There have been other confirmed cases of H1N1 infection in cats in the US, as well as a confirmed case in a cat in France. (oregonvma.org)