With the latest outbreak of hantavirus on a cruise ship, many people have been left wondering where all these new diseases are coming from. After all, didn’t we have a global pandemic only six years ago? While some illnesses are truly new, others are older diseases spreading into new areas or being detected more frequently because of advances in medical testing. Public health experts say several major global changes are increasing the chances of emerging diseases appearing more often than they did decades ago. Here is what you need to know about why so many more diseases are popping up.
