18 Questions
What type of carrier is capable of transmitting a disease after the clinical state is resolved?
Incubatory carrier
Which pattern of disease occurrence is characterized by a persistent low to moderate level of disease?
Endemic
In which epidemic pattern are people exposed to a single noxious influence in a group?
Point
Which type of carrier can transmit a disease even before showing clinical symptoms?
Chronic carrier
What distinguishes an endemic disease?
Periodic occurrence with occasional cases
Which pattern of disease occurrence is described as having a high level of occurrence of a disease?
Hyperendemic
Which type of epidemic curve features a pattern of common source followed by secondary person-to-person spread?
Mixed outbreak
What is the main purpose of mandatory reporting of notifiable diseases?
To track disease occurrence and identify outbreaks early
Which diseases are classified as Class 1 notifiable diseases that require reporting within 24 hours?
Diseases posing a threat to society
What does the attack rate measure in a population?
Frequency of morbidity or speed of spread in an at-risk population
In vector-borne outbreaks, what is essential for the occurrence of the outbreak?
High prevalence of infection in vector species
What distinguishes a zoonotic outbreak from other types of outbreaks?
Originating from animals to humans
In a Common Source Outbreak, what type of epidemic curve is typically observed?
Single curve with steep upward slope and gradual downward slope
Which type of outbreak involves cases being intermittently exposed over a period of days, weeks, or longer?
Intermittent Outbreak
What characterizes a Continuous Outbreak?
Wide epidemic curve with flattened peak
Which type of outbreak does not have a common source and spreads gradually from person to person?
Propagated Outbreak
What is an example of a disease that can be spread through direct contact in a Propagated Outbreak?
HIV transmitted by sharing needles
Which outbreak type involves exposure to contaminated food leading to illness within one incubation period?
Point Source Outbreak
Test your knowledge on epidemic patterns, including common source outbreaks and the different types of outbreak patterns like point source and intermittent outbreaks. Learn about how infectious agents or toxins can lead to different epidemiological patterns.
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