Question

1. A new disease is sweeping through your city. Here is the data you were able to obtain from one clinic.

ID	Fever	Diarrhea	Duration of illness (days)	Case?
1	Y	Y	1
2	N	Y	1
3	Y	Y	1
4	Y	N	1
5	Y	N	2
6	Y	Y	12
7	N	N
8	N	N
9	N	N
10	N	N

1. State a case definition you will use for this outbreak.

2. Fill in the classification for each Patient ID number in the above table. What is the total number of cases?

Answer 1

A. A number of cases with fever and diarrhoea have been noted and the number of patients have been increasing with the same infection. Seems like an outbreak.

B Patient Id : 1 = patient suffering from fever since 1 day

patient Id 2 = patient suffering from diarrhoea Since 1 day

patinent id 3: patient suffering from both diarrhoea and fever since one day.

patient id 4: patient suffering from fever since 1 day.

patient id 5: patient suffering from fever since 2 days.

Patient id 6: patient suffering from both fever and diarrhea since 12 days.

Total number of cases: 6