Professional Ask Dr. Jdr. jaffeDr. Russell JaffePCRRNAStool Dr. Russell Jaffe on stool, RNA and PCR testing JWelton In this week’s edition of “Ask Dr. J”, Dr. Russell Jaffe talks about stool, RNA and PCR testing.Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Pinterest (Opens in new window) Pinterest Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit