its not the matter of time its the matter of if the animal they gotten bitten by had rabies or sometimes it could take longer for the rabies to kick in if its like something big or if its small it...
After the incubation stage (average 3-8 weeks) the dog would typically be contagious and live for up to 14 days. (http://www.peteducation.com/article.cfm?c=2+1556&aid=347)
Yes, they are called Dachshunds or sometimes weiner dogs. They can have short, wire-like fur or long, silky fur. They come in two sizes: miniature and small.