dr. kyle quigley, of the boston animal rescue league, says pan a very serious disease, but no reason to panic.panleukopenia often called feline distemper is a virus that attacks the gi system and can affect bone marrow as well causing a decrease in white blood cells. but it primarily causes vomiting, diarrhea , fever, lethargy. >> quigley say the virus spreads thru bodily fluids and is highly contagious. cat owner shalimar crayton has had her own cats vaccinated but says there's a lot of stray cats in this neighborhood which elevates the risk of. i have seep 20 myself. they live under people's porches and backyards. people are feeding them. they tend to stay. >> ul ate would take is for one of them to get sick. ex lake. suss endable this the good news that is the vaccine is highly effective. >> and cat owners in this neighborhood can get the vaccine for free this saturday morning 9:30 to 1 2:30 and the rescue league of boston is ifing to set up a mobile cling here in the field at the corner of harvard and wakil streets. live in mattapan, mary saladna, wcvb newscenter 5. ed: an attempted home invasion in ne