Bacterial. "It is caused by Corynebacterium diphtheriae, an aerobic Gram-positive bacterium."
diphteria it is a bacterial infection
Spanish flu is viral.
Crabs are caused by a parasitic infection, not a bacterial or viral infection. They are commonly known as pubic lice and infest human pubic hair.
Dacryoadenitis is an infection due to viral or bacterial infection.
no bacterial infection
Inflammation of the lacrimal gland by bacterial, viral, or fungal infection is called Dacryoadenitis.
Upper Respiratory Infection
Bronchitis can be caused by either a viral or bacterial infection, with viral infections being more common. Viral bronchitis typically resolves on its own with rest and symptom management. Bacterial bronchitis may require antibiotics for treatment.
No. It's bacterial.
Lungs
Polio is not caused by a bacterial infection. Polio is caused by a viral infection. While both are extremely tiny the viruses are 100 times smaller. Both viral and bacterial infections can sometimes be prevented by proper sanitation. Washing your hands after using the bathroom is a good way to avoid many viral and bacterial infections.
conjunctiva