陈奕迅确诊，停止所有演出！新冠阳性率升高，专家：无需恐慌

Core Viewpoint - The article discusses the recent COVID-19 diagnosis of singer Eason Chan, leading to the postponement of his concert dates, and highlights the rising COVID-19 positivity rates in various regions, emphasizing the need for continued vigilance without panic. Group 1: Eason Chan's Concert Postponement - Eason Chan announced the postponement of his concerts due to a COVID-19 diagnosis, expressing regret and apologizing to fans [4][6] - The rescheduled concert dates are May 29, May 30, and May 31, 2025, with ticket holders able to retain their original seats or opt for a full refund [5] Group 2: Rising COVID-19 Positivity Rates - COVID-19 positivity rates have increased in several Asian countries, with the Chinese CDC reporting a rise since April, particularly in southern provinces [7][8] - In Guangdong Province, the number of reported COVID-19 cases in April reached 23,188, a significant increase compared to March [8] - The positivity rate for emergency flu-like cases rose from 7.5% to 16.2%, indicating a growing prevalence of COVID-19 as a primary pathogen in emergency departments [8] Group 3: Expert Opinions and Recommendations - Experts advise that while the positivity rate is increasing, the severity of cases remains low, and the public should maintain awareness without panic [9][10] - It is recommended to use antiviral medications early in the infection to reduce the duration and severity of COVID-19 [11] - Public health measures include maintaining good hygiene, wearing masks in crowded places, and getting vaccinated, especially for vulnerable populations [14]