Match each mode of transmission with an effective method of blocking it. Animal vector
?
Getting vaccinated
Direct contact
?
Washing food
Indirect contact
?
Using insect repellent

It’s either a or b hope this

Your dog can sniff at or even eat a bit of catnip. the herb is edible and not harmful. just don't expect them to roll around like a cat would! your dog may scrutinize catnip by licking and smelling at it, or be totally indifferent to this stimulant.