Although rare, the disease has been discovered in the United States before, and in 2003 caused 47 confirmed or probable infections, and was linked to mice that were transferred to the country.
Inkastoo uu yahay cudur aan meelo badan gaarin, markii ugu horreysay Mareykanka waxaa lagu arkay sanadkii 2003, xilligaas oo la xaqiijiyay 47 kiis, waxaana lala xiriiriyay inuu ku yimid jiir waddanka loo soo dhoofiyay.