Odisha has reported 5 deaths and 18 suspected cases of diphtheria, leading to the initiation of a vaccination campaign. The Director of Public Health, Odisha, Nilakantha Mishra, confirmed that the vaccination started on Wednesday. While the total suspected cases have come down to 18, the number of deaths remains at 5. The health department is conducting a house-to-house survey to verify vaccination status in the affected areas.