Some strains of "V. campellii" are known to be not luminescent; these strains are thought to be less virulent than the luminescent strains.
These non-luminescent strains are thought to be less virulent than the luminescent strains. Some strains of "V. campellii" that are known to be non-luminescent.
Some strains of "V. campellii" that are known to be non-luminescent. These non-luminescent strains are thought to be less virulent than the luminescent strains.
Some strains of "V. campellii" that are known to be non-luminescent. These non-luminescent strains are thought to be less virulent than the luminescent strains.