In dreams, the presence of bacteria, germs and viruses suggest hidden attacks that can weaken or destroy your sense of well-being. They might suggest anxieties about your health or simply reflect a sense of inadequacy in waking life. The word ’germ’ can also be used in its positive sense as the beginning stages of something, the point at which great growth can occur.
If you dream of bacteriological warfare, it suggests the undermining of your personal or social well-being. Any form of infection or virus in a dream might be symbolic of ideas or thoughts that cause irritability or anxiety in waking life, or might be indicating that you are taking in negative attitudes from others to the detriment of yourself. Such dreams may also be a warning about your physical health and the need to boost your immunity.... The Element Encyclopedia
To dream that you are sharing something with others, symbolizes your generosity towards others. Or, the dream could be about a feeling that you’re trying to express.
If you dreamed of someone else sharing with you, you will be lucky in money and love. This dream also symbolizes a job well done, and that you are held in high esteem by people around you.... My Dream Interpretation
If you dream that you or your computer have a virus, then this reflects betrayal, violation, and your fear of being invaded by a negative influence. This dream is telling you to set clear boundaries with people in your life that are not watching out for your highest good and to take precautions to defend what is precious to you. This dream may be a warning to take precautions to protect your assets in a more secure way. See Firewall and Sick.... Strangest Dream Explanations
Psychological / emotional perspective: Dreaming of an infectious virus has the connotation of us having caught a contaminant or had it passed on to us. Our emotions and feelings may be out of sorts.... Dream Meanings of Versatile