The Rockwell B-1B Lancer and B-2 Spirit bombers are designed with different design philosophies and mission sets, and this is seen throughout their designs. They are both built to counter the increase ...

Hepatitis B and herpes simplex virus are both sexually transmitted infections (STIs). However, they are not the same and develop due to different viruses. STIs spread from one person to another ...

Flu season is starting to tick up in the U.S. And, looking at clues from other countries, we may be in for a rough winter. But not all influenza is the same. And there are some notable differences ...

Hepatitis B is a liver infection caused by the hepatitis B virus (HBV). Acute HPV comes on quickly and resolves promptly. Chronic HBV is a long-term infection, lasting for at least 6 months. The ...