Pleural plaques are benign (non-cancerous) and
usually asymptomatic, meaning that they do not cause pain or other difficulties.
Older, healthy dogs are
usually asymptomatic.
Unfortunately, breast cancer in its early stages is
usually asymptomatic...
More than 100 species of wild waterfowl have been identified as natural,
usually asymptomatic hosts of a variety of avian influenza A (bird flu) subtypes.
Not exact matches
Asymptomatic H. canis doesn't
usually cause a problem for dogs, although they will continue to carry the protozoa.
Usually, canine parvovirus infection is
asymptomatic (show no symptoms).
About half of carriers are
asymptomatic, while those who experience symptoms
usually do so one to three weeks after infection.