1.   Will the virus attach to lung cells in cystic fibrosis patients, who typically have lots of mucus in their lungs?

2.   But macro viruses attached to Microsoft Word and Excel documents are becoming increasingly common.

3.   His work aims to discover how viruses attach themselves to cells, enter them, and then replicate.

4.   Independent virus experts say that viruses attached to programs or the boot sectors are relatively rare.

5.   Schatten noted that viruses can attach themselves to sperm and no amount of rinsing can get them off.

6.   Some viruses attach themselves to an existing program, changing its size.

7.   This is the hemagglutinin gene, which directs the production of proteins that enable the flu virus to attach itself to a cell in the respiratory system.