This chapter discusses influenza, a contagious respiratory illness caused by influenza viruses, characterized by symptoms like fever and cough. It also explores the prevalence of undiagnosed STDs like...This chapter discusses influenza, a contagious respiratory illness caused by influenza viruses, characterized by symptoms like fever and cough. It also explores the prevalence of undiagnosed STDs like chlamydia, gonorrhea, and syphilis in the U.S. and the various types, prevention efforts, and treatments.
