Consider the following statements: 1. Amoebiasis may produce abdominal cramps. 2. Its pathogen is Salmonella typhi. 3. It primarily spreads by inhaling aerosols. 4. It produces grey-blue fingernails as its typical sign. How many of the above statements are correct?
- AAll four statements are correct.
- BOnly two statements are correct.
- COnly one statement is correct.
- DOnly three statements are correct.
✓ Correct answer: C
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