Arrange in correct sequential order the preventive measures of communicable diseases :
I. Disinfection
II. Notification
III. Diagnosis
IV. Isolation
V. Treatment
VI. Immunisation
VII. Investigation
Codes:
1
I, II, III, IV, V, VI, VII
2
II, IV, I, III, VII, VI, V
3
IV, III, II, I, VI, VII, V
4
III, I, II, IV, V, VI, VII