I think I would trust the latex as being more specific for Group A where the
PYR could be positive by other organisms - especially a beta hemolytic
John Gentile Rhode Island Apple Group
yjgent at home.com President
"I never make mistakes, I only have unexpected learning opportunities"
> From: "Patrick Druggan" <Patrick.Druggan at btinternet.com>
> Organization: BT Internet
> Newsgroups: bionet.microbiology
> Date: Mon, 30 Jul 2001 21:15:20 +0100
> Subject: Re: Bacitracin and Group A Streps
>> Is there any reason why you don't use the PYR test for Group A Strep?