1988 Mercury Marquis Water Pump & fitting at manifold

Engine Cooling problem
1988 Mercury Marquis V8 Two Wheel Drive Automatic

I had my mercury towed yesterday to a repair shop (AAA) after overheating and losing all my coolant. Today I was informed by the mechanic that a heater hose/fitting at manifold had rotted and had to be replaced. It was replaced, but no sooner than I started driving down the street, I started smelling coolant leaking from underneath the car towards the dashboard. I took the car back and now when the mechanic checked the car again, he stated the water pump's "weeper" had gone bad. I would like to know is this possible for the hose/fitting to be repair, then the pump going bad soon after, or have I been taken?