In Australia, animals such as koalas and possums are naturally infected.

It is also reported to naturally infect Ullucus tuberosus.

Other tick species have been shown to be naturally infected with R. rickettsii or serve as experimental vectors in the laboratory.

All of the viruses naturally infect gypsy caterpillars, but some do not always kill them in time to prevent them from eating leaves.

In contrast, brains from mice who are naturally infected with scrapie readily infect other mice.

These viruses naturally infect the cells that line the lung and they can be genetically altered so that they no longer cause illness.

This organism naturally infects the following species:

About 25 to 30 percent of nymph-stage deer ticks in the Northeast are naturally infected with the Lyme disease bacterium.

The Parachlamydiaceae naturally infect amoebae and can be grown in cultured Vero cells.

OFV is able to naturally infect around 50 different species in 31 genera, all belonging to the Orchidaceae family.

Cheetahs are the other species of the family Felidae known to become infected naturally.

Infective third stage larva from naturally infected dung beetles (intermediate hosts and vectors), were orally given to rabbits.

It was the first time that a virus of any kind had been isolated from a naturally infected mosquito.

The one found in naturally infected poison hemlock was only 91% identical to the sequences from Australia.

Other author has observed partial paralysis in naturally infected wapiti caused by migrating juvenile flukes in the spinal cord.

Nevertheless, no naturally infected snails were found.

The morbidity rate in naturally infected post-neonatal mice is unknown; however, subclinical disease may be the most common form, as few natural outbreaks have been reported.

Callitrichid hepatitis is reported to be highly fatal in naturally infected marmosets and tamarins in zoos.

Scrapie prions have been found in the Peyer's patches of naturally infected nonclinical lambs as young as four months of age.

Examples from naturally infected cattle and wildlife herds were also examined to assess the level of divergence among and within outbreaks.