Viruses rely on the cells of other organisms to survive and reproduce, because they can’t capture or store energy themselves. It’s a philosophical question, but we can agree that either way they can have a huge impact on living things. The coronavirus that causes Covid-19 is one of these these “enveloped” viruses. Some families of viruses, such as herpes viruses, can stay dormant in the body for long periods of time without causing negative effects. How do viruses spread?

Source: Daily Nation March 15, 2020 11:03 UTC