1st heard of Quinine and C19 I said hummm,bought 12 bottles of Tonic,just in case.
If all works out and no need, will get a jug of Beafeaters
When Clarissa Wright Dickson (one of the BBC’s Two Fat Ladies) recovered from alcoholism (her drink of choice being G&Ts), her doctor looked over her chart. “When did you have malaria?” he asked. “I never have,” she said. He shook his head in disbelief. It wasn’t until later that she realized it was the quinine in the tonic that caused his reaction.