Figure 3. Under Microscope: Albert stain-Bacilli showing metachromatic granules.

From

A Case Series of Diphtheria in Western India: Time to Revisit Vaccination Coverage and Policy?

Bhakti R. Chiluvery, Sujata Dharmshale, Snehal Patil, Suwarna Pawar, Kishor Ingole

American Journal of Epidemiology and Infectious Disease. 2021, 9(1), 32-35 doi:10.12691/ajeid-9-1-6