virus

Why do viruses cause disease?

Virulence, the capacity to cause disease, varies markedly among viruses. Some viruses cause lethal disease while others do not. For example, nearly all humans infected with rabies virus develop a disease of the central nervous system which ultimately leads to death. In contrast, most humans are infected with circoviruses with no apparent consequence. Is there …

Why do viruses cause disease? Read More »

TWiV 270: Homeland virology

On episode #270 of the science show This Week in Virology, Vincent and Rich discuss avian influenza virus and an antiviral drug against smallpox with Dennis and Yoshi at the ASM Biodefense and Emerging Diseases Research Meeting in Washington, DC. You can find TWiV #270 at www.microbe.tv/twiv.

An epidemic of porcine diarrhea in North America

Porcine epidemic diarrhea arrived in the United States in the spring of 2013. The disease, caused by a coronavirus, was first identified in the United Kingdom in 1971, and has subsequently spread throughout Europe and Asia. The disease is a concern for the swine industry because it is associated with high case fatality ratios in …

An epidemic of porcine diarrhea in North America Read More »

Scroll to Top