These soil based organisms have stronger strains of beneficial bacteria that can survive through the digestive system and provide the most benefit. (wellnessmama.com)
Puppies are susceptible to the infection prior to vaccination, particularly those that are exposed to strong strains of the virus and who have a weakened immune system. (dog-health-guide.org)
How long will we allow dangerous and overly strong strains of cannibus endager lives? (religion.blogs.cnn.com)