contagion

1 ENTRIES FOUND:
contagion /kənˈteɪʤən/ noun
plural contagions
contagion
/kənˈteɪʤən/
noun
plural contagions
Britannica Dictionary definition of CONTAGION
medical
1 
[noncount] : the process by which a disease is passed from one person or animal to another by touching
2 
[count] : a disease that can be passed from one person or animal to another by touching : a contagious disease — often used figuratively