In 2020, a seaside town on Minton experienced a large outbreak of aqualunosis following a community festival. Epidemiological investigation revealed that locally caught fish served raw in a traditional dish was the likely source of infection. While some festival attendees began to experience diarrhoea and abdominal pain shortly after the event, other attendees became ill several days later.

Q25. What is the most likely reason for the variation in incubation periods among affected individuals?

Question

In 2020, a seaside town on Minton experienced a large outbreak of aqualunosis following a community festival. Epidemiological investigation revealed that locally caught fish served raw in a traditional dish was the likely source of infection. While some festival attendees began to experience diarrhoea and abdominal pain shortly after the event, other attendees became ill several days later. 
 
 Q25.  What is the most likely reason for the variation in incubation periods among affected individuals?

Accepted Answer

The infectious dose varied among individuals.

Answer

The individuals had different rates of digestion and gut transit time.

Answer

Each person ate a different type of fish.

Answer

The strain of  H. mentis  varied between individuals.

Crowdly

In 2020, a seaside town on Minton experienced a large outbreak of aqualunosis fo...

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