Due to its worldwide reach, a pandemic can lead to a disease becoming endemic as opposed to being largely contained or eradicated through the use of , for example.
Changes in how people use land and exploit the natural environment also play a role.
This illness came to be known as MERS, or Middle East respiratory syndrome, after where the first outbreak occurred.
Take the flu, for example.
A few other sporadic diseases include , , and plague.
Here are examples of each word used in a sentence.