People most at risk of #diphtheria infection include

➡️Children & adults who have not received any or a single dose of the anti-diphtheria vaccine
➡️Healthcare workers & others who are exposed to suspected/confirmed cases of diphtheria
➡️People who live in a crowded environment
➡️People who live in areas with poor sanitation

📜https://ncdc.gov.ng/news/435/diphtheria-public-health-advisory-amidst-outbreak-in-nigeria