Blood spill in the operation theater is cleaned with _____?
APhenolic compounds
BQuaternary ammonium compounds
CAlcoholic compounds
DChlorine compound
All are methods of sterilization except.
AFiltration
BHeat
CGases
DSunlight
What factors determine the behavior of a disease in a community?
AInfectiousness of the disease
BPopulation density
CHygiene standards
DAll of the above
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