The hepatitis B virus (HBV) affects the liver and can cause acute or chronic illness. The virus’s life cycle involves entering liver cells and producing new virus cells to trigger infections in other ...

Human Immunodeficiency Virus (HIV). The outer shell, called the capsid (yellow and purple) envelopes the viral RNA genome (blue). Illustration credit: Janet Iwasa Accomplishing a feat that had been a ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a new technique which makes the viral genetic material light up under the ...