Skip to main content

Influenza: A case study

Completion requirements
View all sections of the document

In this false-colour electron micrograph, the budding virus particles appear orange and their surrounding envelopes appear green. One of the buds has a short stalk which indicates that virus particle is about to pinch off from the host cell membrane. Each virus is about 100 nanometres in diameter.

 2.4 Infection and replication