- Something has happened that has made the virus more contagious.
There are slightly different data, the figures differ from 40 to 70 percent more contagious, says Ali Mirazimi, who is a professor of clinical virology at Karolinska Institutet and has a position at FHM as a researcher and expert on hemorrhagic fevers.
But how did it happen like this, and what speaks for participating will take over in Sweden as well?