If a human disease breaks out across a large region of the world, what is it called?

Which organ of the human body is affected by the Alzheimer’s disease?

Which of the following bacterial disease that is called as spleenic fever ?

Which of the following disease is caused by a virus?

The organ of the human body directly affected by the disease of hepatitis is –

Wilt of Pigeon pea is a disease caused which of the following?