The disease has a morbidity rate of 2-10%, and affects 100-500 people annually.

"The South Carolina virus had a zero morbidity rate."

Second, mortality rates have sometimes been used as a proxy for morbidity rates.

What does the maternal mortality and morbidity rate mean?

There is no comparable paternal mortality or morbidity rate.

Surprisingly, the morbidity rate was low, while mortalities were nonexistent.

In endemic areas the morbidity rate is 70-90% and the mortality rate is 5-10%.

The morbidity rate has slowed by nearly 72.0091 percent!

At least two million people annually die of these diseases, and the morbidity rates are many times higher still.

There is a low morbidity rate, and no complications have been documented, other than those typical of any type of back surgery.