Why is the FIFA World Cup Qatar 2022 not afraid of the epidemic?

Strict protection before the game. According to the relevant information of the World Cup, the FIFA World Cup Qatar 2022 is not afraid of the epidemic because of the strict protection before the game. Although the FIFA World Cup Qatar 2022 did not require everyone to wear masks, strict protection was implemented before the game. Only after the competition started, considering Qatar FIFA World Cup Qatar 2022 in 2022, did we not ask everyone to wear masks, so we were not afraid of the epidemic.