Three workers at a Gucci outlet in Hong Kong have fallen ill with measles in the past week, according to health officials.The outbreak of the highly infectious disease at the luxury fashion shop in the Harbour City shopping centre in Tsim Sha Tsui caused the store to close early on Monday, while the mall’s management deployed cleaners for disinfection.The growing number of cases recorded in Hong Kong this year has put local health authorities on high alert.The first Gucci worker affected, a 30…