MCQ IN MEDICINE

Detailed explanation-1: -Common methods of identifying additional cases (expanding surveillance) as part of an outbreak investigation include: Advising the public through newspapers, TV, radio, and the health department’s website to contact the local health department. Asking case-patients who they were with at the time of exposure (if known)

Detailed explanation-2: -Disease outbreaks are usually caused by an infection, transmitted through person-to-person contact, animal-to-person contact, or from the environment or other media. Outbreaks may also occur following exposure to chemicals or to radioactive materials.

Detailed explanation-3: -Disease outbreaks are caused by bacteria, viruses or other organisms such as parasites. They can happen when people consume contaminated food or water, when a contagious disease is spread from person to person, or from the bite of an infected insect like a mosquito that causes West Nile Virus disease.

Detailed explanation-4: -Epidemiologic investigations are usually conducted in outbreak situations. The primary reasons for conducting an epidemiologic investigation are to determine the cause of an outbreak and to implement control measures to prevent additional illness.