New whooping cough strain in US raises questions
NEW YORK (AP) — Researchers have discovered the first U.S. cases of whooping cough caused by a germ that may be resistant to the vaccine.
Good Health is Your Greatest Wealth……Virgil
Good Health is Your Greatest Wealth……Virgil
NEW YORK (AP) — Researchers have discovered the first U.S. cases of whooping cough caused by a germ that may be resistant to the vaccine.
