Biological warfare -LRB- BW -RRB- , also known as germ warfare , is the use of pathogens such as viruses , bacteria , other disease-causing biological agents , or the toxins produced by them as biological weapons -LRB- or bioweapons -RRB- .

Biological warfare -LRB- or germ warfare -RRB- is when pathogens are used as a weapon .
