How do we tackle poison-resistant super rats?

Super Rat & Mouse Killer Sachets (6x25g)

N.Y.C. Rats: They're in the Park, on Your Block and Even at Your Table - The New York Times

Pest advice for controlling Rats

SUPER RAT&MOUSE WHOLEGRAIN 6X25G

Pest-Stop Super Rat & Mouse Killer Sachets - Baits for Mouse Rat - Mice Killer - Rat Control for Home, Office, Garden, Industry - (6 x 25g)

Super rats or sickly rodents? Our war against urban rats could be leading to swift evolutionary changes

RatX Rodent Control Pellets, Rat and Mouse Killer, 18 oz

The Best Way to Kill Rats and Mice Quickly

Super Rats - Daily Star

Controlling Rats and Mice around the Farm