Hate to be a downer but its only a matter ot time before viruses mutate and become either more virulent or sometimes more benign. People with suppressed immune systems such as those who take immune modulators for diseases such as asthma, inflammatory bowel diseases, psoriasis etc and diabetics may be particularly vulnerable. Practicing male homosexuals have chronically challenged immune systems and must be especially viligant.
Especially vigilant? Make sure there’s enough tax money to pay for the treatment and prevention of diseases which are spread by especially vigilant peeps.
The Swedish patient was infected during a stay in a part of Africa
What a lot of folks leave out of the calculus is how absolutely filthy, un-hygienic, and barbaric Africans are.
People who don't know:
To disregard their own feces/vomit.
That many sicknesses are caused by electrolyte imbalances (Gatorade).
Hand-washing goes a long way.
Slaughtering neighbors with a machete can be a dirty business.
There's no chance this will spread to civilized countries.