VACCINE VIAL MONITOR

How do vaccine vial monitors (VVMs) help ensure vaccine potency?

• By preventing freezing of vaccines

• By indicating exposure to excessive heat which can degrade vaccine potency.

• By monitoring the expiration date of the vaccine.

• All options are correct.

A VVM is a circle with a small square inside it which is printed on a product label or attached to or place on the ___of a vaccine's vial or ampule.

• cap

• neck

• Either on the cap or on the neck of a vaccine's vial or

How does a VVM indicate potential damage to vaccine?

• By changing color

• By emitting SOund

• By emitting Foul Smell

• None of these.

What does a brown or black change in color on a Vaccine Vial Monitor (VVM) indicate?

• The vaccine is still usable.

• The vaccine may have been exposed to excessive heat and should be discarded

• The vaccine may have been frozen and should be discarded.

• The vaccine is starting to lose its potency.

If the Vaccine Vial Monitor (VVM) changes its color to dark (usually brown or black), the vaccine should be discarded even if the expiration date has not yet passed.

• YES.

• NO.

• IT DEPENDS UPON THE SITUATION.

• THE HEALTHCARE PROVIDER MAY DECIDE.