A man in his 20s with COVID-19 has died at home as New South Wales (NSW) reports 233 new locally acquired cases, with the state Premier Gladys Berejiklian warning that the situation will get worse. The unvaccinated southwestern Sydney man is the second person under 30 to die of the virus in Australia, after a Victorian man’s death in August last year. Local health authorities had been following up with him daily and he “suddenly deteriorated” on his 13th day of isolation, NSW Chief Health Officer Kerry Chant said. “He was being checked daily and he did complain of feeling a little fatigued but the deterioration happened suddenly, is my understanding,” Chant said. “We are aware that with COVID, you can get sudden deaths and I think that is important to understand that your health status can deteriorate.” The death, the second since July 20 involving a person isolating at …