Gareth Southgate could reportedly leave out several players from his England World Cup squad due to their refusal to be vaccinated.The England manager is allowed to take a squad of 26 players to the Qatar 2022 World Cup, but a number of players in the regular England camp are yet to take their Covid-19 jabs. That could spell trouble due to current regulations meaning they will have to self-isolate for five days upon arrival in the Middle-Eastern country.England's first World Cup clash will be against Iran on November 21, which The Daily Mail reports is just six days after their arrival in Qatar.