CDC Official: Virus may be 'tip of iceberg'

Article Title: Virus may be 'tip of iceberg,' CDC official says

Snippet of Article: "...The unusually high number of hospitalizations reported now could be "just the tip of the iceberg in terms of severe cases," said Mark Pallansch, a virologist and director of the Centers for Disease Control and Prevention's Division of Viral Diseases...."

Source: www.wcvb.com