1. Sore Throat. According to the U.S. Centers for Disease Control (CDC), strep throat is a prevalent type of sore throat that strikes children. However, itâs less common in adults. The painful, sore, red, and inflamed throat tissues that come with strep are due to an severe viral infection.
Approximately 400,000 people in the United States and 2.3 million people worldwide have MS â and thereâs one new U.S. diagnosis of MS every hour, according to the National Multiple Sclerosis Society.
1 Amyotrophic lateral sclerosis, or ALS, is sometimes called Lou Gehrig's disease.  As many as 20,000 to 30,000 people in the United States have ALS, and an estimated 5,000 people in the United States are diagnosed with the disease each year.