Those affected travelled to the resort in Hurghada between February and July this year and booked through the tour operator.
All complained of gastric symptoms, including diarrhoea, vomiting and lethargy. One holidaymaker from Cardiff was diagnosed with a bacterial infection by the hotel doctor, while a Hampshire lorry driver was put on a drip during his stay.
More than 15 of those who fell ill have now instructed serious injury lawyers at Irwin Mitchell to investigate. The firm has successfully represented holidaymakers returning from the Jaz Aquamarine Hotel in 2016, 2017, 2018.