IBSC Certified Designated Infection Control Officer (DICO-C) Certification Practice Exam

What is LAIV and who should NOT receive it?

Inactivated influenza vaccine; safe for all workers. A nasal spray influenza vaccine for adults is recommended in all cases. Live Attenuated Influenza Vaccine; contraindicated in immunocompromised workers and pregnant persons. A DNA-based influenza vaccine; not approved for use in the workplace.

Correct Answer:

Live Attenuated Influenza Vaccine; contraindicated in immunocompromised workers and pregnant persons.

Explanation:

Live Attenuated Influenza Vaccine is a nasal spray that contains a weakened live influenza virus. Because it is a live vaccine, it is contraindicated for people with weakened immune systems and for pregnant persons due to safety concerns and the potential risk of infection or illness. In occupational health, this means those groups should receive alternatives such as the inactivated influenza vaccine. The other statements don’t fit because the nasal spray described here is not appropriate for everyone, and there is no DNA-based influenza vaccine approved for workplace use. The inactivated vaccine is a different product and is generally suitable for a broader group, but it’s not what LAIV refers to.

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