patient zero

US /ˌpeɪ.ʃənt ˈzɪr.oʊ/
UK /ˌpeɪ.ʃənt ˈzɪr.oʊ/
"patient zero" picture
1.

paciente zero, caso índice

the first person to be identified as carrying an infectious disease in an outbreak of a disease

:
Scientists are still trying to identify patient zero in the recent epidemic.
Cientistas ainda estão tentando identificar o paciente zero na recente epidemia.
Understanding patient zero can help trace the spread of a virus.
Compreender o paciente zero pode ajudar a rastrear a propagação de um vírus.