A coronavirus that originated in Wuhan, China, has killed at least 170 people and infected more than 7,000.<br />According to Business Insider, coronaviruses are zoonotic diseases, meaning they jump from animals to humans.<br />But experts say epidemics such as these are likely to continue, for a number of reasons.<br />Infectious diseases will continue to emerge and re-emerge. We're in an age of epidemics because of globalization, because of encroachment on wild environments.
