Other potential delivery methods include nasogastric (nose-to-stomach) tubes and even gelatin pills: http://www.scientificamerican.com/article.cfm?id=fda-comes

Other potential delivery methods include nasogastric (nose-to-stomach) tubes and even gelatin pills: http://www.scientificamerican.com/article.cfm?id=fda-comes-to-grips-with-fecal-transplants http://www.scientificamerican.com/article.cfm?id=fda-comes-t... Hell, even deep-kissing a healthy, thin person might help a little... though with a risk that worse-strains move in the other direction.