Is a new definition required for travelers who visit friends and relatives?
Alberto
A
Matteelli
William M
WM
Stauffer
Elizabeth D
ED
Barnett
Douglas W
DW
MacPherson
Louis
L
Loutan
Christoph
C
Hatz
Ron H
RH
Behrens
D003140:Communicable Disease Control; D004641:Emigration and Immigration; D005190:Family; D033062:Friends; D006801:Humans; D015980:Public Health Practice; D018570:Risk Assessment; D009626:Terminology as Topic; D014195:Travel