A recent study showed that mice were better models when they were exposed to common human viruses. (discovermagazine.com)
The second challenge to researching viral therapies for childhood cancers is the fact that mouse cells don't get infected with human viruses as easily as human cells. (sciencedaily.com)
Much like many human viruses and bugs, worms can be gotten from a variety of sources, the most common one being the mother. (mysweetpuppy.net)