Select a category above to classify viruses according to shared characteristics. Select any virus below to explore its structure and biology. The envelope contains viral proteins embedded in it.

Human immunodeficiency virus type 1 (HIV-1) targets important cells of our immune system, making infected individuals more vulnerable to diseases and infections. Once inside human cells, HIV ...

The structure that encloses the virus—the capsid—protects the virus and makes it more resistant to alcohol-based sanitizers. With other viruses like the flu, there's an envelope around the virus that ...

Hand sanitizer isn't as effective as handwashing at preventing the spread of norovirus, doctors and the CDC warn.

Chikungunya virus (CHIKV ... on the right shows the orientation of the E2 and E1 envelope glycoproteins in the virion spikes. CP: Capsid protein. Reproduced with permission from [116].

Other viruses have a fat-based outer layer called called an envelope, which is more easily ... It's encased in a hard, protein-based shell called a capsid, NBC News explains.

It has a protective protein shell called a capsid that makes it resistant ... much more environmentally stable and hearty virus because it lacks an envelope,” says Infectious Disease Expert ...

Marketing authorization for the first EU vaccine to protect adolescents against chikungunya has been expedited for its public ...