After repeated episodes of diarrheal infections in a family, all members’ skin w
ID: 207842 • Letter: A
Question
After repeated episodes of diarrheal infections in a family, all members’ skin was sampled and Shigella sonnei (the causative of the diarrheal infections) was isolated from the hands of the mother. The infection was characterized by an incubation period of 20 days, after which the family presented fever and stomach ache. After 4 days, diarrhea, with a frequency of 4 per day, for one week, was present. After 5 days of antibiotic treatment, the frequency of diarrhea decreased to once a day for 3 days and completely disappeared after 10 days of treatment.- What is the most likely route of transmission of this infection?
- Draw a diagram representing the course of this infection and indicating its stages. After repeated episodes of diarrheal infections in a family, all members’ skin was sampled and Shigella sonnei (the causative of the diarrheal infections) was isolated from the hands of the mother. The infection was characterized by an incubation period of 20 days, after which the family presented fever and stomach ache. After 4 days, diarrhea, with a frequency of 4 per day, for one week, was present. After 5 days of antibiotic treatment, the frequency of diarrhea decreased to once a day for 3 days and completely disappeared after 10 days of treatment.
- What is the most likely route of transmission of this infection?
- Draw a diagram representing the course of this infection and indicating its stages.
- What is the most likely route of transmission of this infection?
- Draw a diagram representing the course of this infection and indicating its stages.
Explanation / Answer
The mode of transmission of this infection is through contaminated food and water, and from person to person who are having poor hygiene.