Cytomegalovirus (CMV) is a prevalent pathogen, with 40 to 100 percent of the general population showing prior exposure by serology.1 Up to 20 percent of children in the United States will have contracted CMV before puberty.
The concept of the Sousaphone was created by the American composer and bandmaster John Philip Sousa, putting it in a category with the Wagner tubaâa horn conceptualized by German composer Richard Wagnerâand the Saxophone, one of the numerous inventions of Belgian instrument maker Adolphe Sax.
Quick Answer. Dr. Henry Sampson did not invent the cellphone, but he did invent a number of advances in solid-state rocket propellant and a gamma-electric cell for generating electricity from gamma radiation. The invention of the cellphone is credited to Dr. Martin Cooper. Continue Reading