The biggest influence, however, appears to be disease, particularly canine distemper.

Now, one of the Russian tigers has died from canine distemper.

There is no antiviral drug effective against the canine distemper virus.

Some scientists think that the infection has spread from dogs carrying canine distemper virus.

It is not related to canine distemper.

Since the late 1990s, there have been several cases of many Caspian seals dying due to canine distemper virus.

The results showed that virtually all the diseased animals had developed antibodies to the canine distemper virus.

After the war, such puppies as were produced mostly succumbed to canine distemper, for which no vaccine was developed until 1950.

Canine distemper devastated the Meeteetse population in 1985.

Canine distemper got its name because it is a common viral ailment in dogs, wolves and foxes.

This happened in 1994 when the canine distemper virus, which normally infects only dogs, suddenly jumped to lions.

Canine distemper occurs in raccoon dogs inhabiting the northern Caucasus.

He aimed for an improved version of the German Shepherd which would be immune to canine distemper.

But four years ago, an epidemic of canine distemper nearly wiped out the colony of the weasel-like creatures.

The organism has been identified as a morbillivirus, the viral family that includes canine distemper and human measles.

Classical canine distemper is so easy to diagnose but there is never any satisfaction in doing so.

International concern for these extremely rare mammals arose after thousands of grey seals were wiped out by the canine distemper virus.

Viral diseases include canine distemper and influenza.

Hela cells have also been used to study canine distemper virus' ability to induce apoptosis in cancer cell lines.

The prevalence of canine distemper in the community has decreased dramatically due to the availability of vaccinations.

The black footed ferret is now extinct in the wild due to canine distemper virus, probably introduced by domestic dogs.

Canine distemper can ravage cat populations.

The sanctuary had been treating a large number of racoons and skunks with canine distemper, which crossed over to the big cats.

The infection resembled canine distemper; the animals died within two weeks of respiratory distress and many aborted pups were seen.

River otters may be victims of canine distemper, rabies, respiratory tract disease, and urinary infection.