2003 | 1999 | 1995 | 1991 |
2002 | 1998 | 1994 | |
2001 | 1997 | 1993 | |
2000 | 1996 | 1992 |
(2) A polio vaccine by mouth (pink drops) or a polio shot?
(2) A polio vaccine by mouth (pink drops) or a polio shot?
(2) A polio vaccine by mouth (pink drops) or a polio shot?
Polio (Drops or shots)
Polio (Drops or shots)