In 1546, Girolamo Fracastoro, a Florentine physician, described typhus in his famous treatise on viruses and contagion, De Contagione et Contagiosis Morbis.
V roku 1546 florentský lekár Girolamo Fracastoro opísal týfus vo svojom známom opise o vírusoch a chorobách De contagione et Contagiosis Morbis.