Types of Viral Spread
- Oral-fecal (yup, by poop)
- Blood (like in Texas Chainsaw Massacre)
- By a vector (like a mosquito or other insect bite)
- Saliva and other bodily fluids (ewww…)
Enveloped viruses are highly sensitive to being degraded, so they cannot handle hostile environments, (such as dry surfaces, low pH, many hours outside of a host), so they are rarely spread by the oral-fecal route. OK, you can throw a little poop.
Because non-enveloped viruses just have a protein coat (called a capsid, and no, it is not made from fur), they are pretty sturdy and survive well outside of a host, which is why most non-enveloped viruses are spread by either the oral-fecal route or through a vector. Nevermind, cancel the aforementioned poop throwing.