Why COVID-19 is HARD to STOP ?

In late 2019, a new strain of coronavirus was detected in humans. Within weeks, this novel virus spread from it's original location, Wuhan, China. But can COVID-19 be stopped? And if so, how? There are many issues when it comes to stopping a new virus, but detection, containment, medications, and vaccinations will all play a huge role in making sure this doesn't become a global pandemic