But the rash matched no known strain of psoriasis.

The majority of the known strains of this group have been isolated from the Horn of Africa.

There are 50 other known strains of E. coli that also if ingested can lead to bloody diarrhea, kidney failure and death.

All known strains of Cannabis are wind-pollinated and the fruit is an achene.

Basil fusarium, like the better known strains that attack tomatoes and eggplants, lives for many years in the soil.

There are 89 known strains of B. anthracis.

Now the assay probe must be re-designed to allow detection of this new variant while still remaining sensitive to all other known strains.

There are four known strains.

The MoistureLoc solution normally kills all known strains of the fungus.

It is unresponsive to any known strain of chemotherapy, making treatment very difficult.