Home > Our Body > Viruses – An Explanation About What They Are Viruses – An Explanation About What They Are Our Body Share on Pinterest Professor Dave talks about viruses and what exactly a virus is. Are they alive and how do they infect a host spreading diseases? Share on Pinterest Related Posts Why Do We Kiss? Why Do We Laugh? The Science of Kissing Why Do We Have Different Blood Types? 10 Women With Real Superpowers
