1: Infection leads from partly uncooked steak (3)
2: Later round without an opponent (3)
3: Curse the mother country? (9)
4: Tender translator of runes (5)
5: A heron regrets losing its wings (5)
8: Rings for the groups (5)
9: Turning up to follow bashful rodent (5)
12: Going after the final piece of puzzle for a very long time (3)
13: Worthless even when recycled (3)