What if Covid-19 is here to stay? Why we may need to prepare for the coronavirus becoming endemic

During the months it has taken for Covid-19 to emerge as a global pandemic, most people around the world have been waiting in hope for a vaccine or other intervention to stop the spread of the disease for good. But some are confronting the worrying possibility that the coronavirus might become endemic, meaning that with no effective countermeasures it would never go away, forever changing life on Earth.