Which of the following is a viral disease?

مندرجہ ذیل میں سے کون سی وائرل بیماری ہے؟

Tuberculosis

Chickenpox

Malaria

Typhoid

Chickenpox is caused by the varicella-zoster virus, making it a viral disease.

Tuberculosis, malaria, and typhoid are caused by bacteria or parasites, not viruses.