germ
nounADJ.
virulent
The epidemic was caused by a particularly virulent flu germ.| flu, typhoid, etc.
VERB + GERM
carry
Children carry all kinds of germs home from school.| harbour
Cracks and scratches in work surfaces can harbour germs.| destroy, kill
They used bleach to kill any germs in the sink and drain.GERM + NOUN
warfare