Do viruses have flagella?

Viruses:

1. Viruses lack flagella.
2. Flagella are minute hair-like features that help a cell move.
3. The word "flagellum" is Latin for "whip."
4. Flagella are whip-like structures that assist push a cell through the liquid.
5. Few organisms use unique flagella as sensory organs that detect changes in pH and temperature.