In cholera epidemic which step should be first taken
Vaccination to all individuals immediately
Primary chemoprophylaxis
Cure with tetracycline
Safe water supply and sanitation
Cholera is an acute diarrheal disease caused by Vibrio cholerae.

I.P.-1-2 days
First step in epidemic of cholera: Verification of diagnosis
First line treatment of choice: water and electrolyte replacement.
In the given question, safe water supply and sanitation should be the 1 st step to decrease mortality from cholera. Also know
Stool appearance of cholera: “Rice watery stool • Chemoprophylaxis of cholera: Tetracycline 500mg BID for 5 days.

Drug of choice for cholera:

Adults: Doxycycline 300 mg stat.
Children: Cotrimoxazole 5mg/kg BID for 3 days
Pregnant female: Furazolidone 100mg QID for 3 days