In the CSU study, Orme and his team found that BCG strongly inhibited a number of virulent strains of TB obtained from the clinical trial site around Cape Town. (sciencedaily.com)
RHINOTRACHEITIS (feline herpes virus 1) & CALICI VIRUSES are the primary stimulants of upper respiratory infection in the feline species, capable of causing clinical signs localized to the upper respiratory system such as sneezing, ocular discharge, and oral ulcerations as well systemic infections in more virulent strains of calici viruses. (harmonyanimalvet.com)
It is also worth mentioning the new particularly virulent strain of parvovirus: CPV - 2c, which is rapidly becoming the second most common form of canine parvovirus. (marvistavet.com)