According to South Korea's central daily and Reuters on the 12th, more than 340 Korean enterprises, including Samsung Electronics and SK group, went to Las Vegas last week to participate in the "International Consumer Electronics Exhibition" (CES), Results there were more than 70 new crown positive cases in the participating team, many of whom were senior executives of Korean enterprises < p > the "International Consumer Electronics Exhibition" in Las Vegas was founded in 1967. As one of the largest consumer technology industry events in the world, it has always been regarded as a "wind vane" in the international consumer electronics field < p > ces in Las Vegas in 2022 will be held from January 5 to January 7 in a combination of offline and online < p > South Korea's Central Daily said that as of the evening of January 11, more than 70 South Korean exhibitors had tested positive for Xinguan, and about 340 South Korean enterprises had participated in the exhibition < p > South Korean Health Ministry officials said they were rapidly contacting the participants and carrying out epidemiological investigation. They urged all South Koreans participating in the event to accept the new crown test as soon as possible < p > Reuters said that more than 70 new crown positive people were executives and employees of major Korean companies, including about 20 from Samsung Electronics and 6 from SK group. Hyundai Heavy Industry said that six employees of the company tested positive for Xinguan in the United States, and some of them have returned home < p > Hyundai motorcycle and Hyundai Mobis said that several employees were tested positive after returning to South Korea < p > South Korea's Chosun Ilbo quoted the news that most Samsung employees who tested positive have flown back to South Korea from Nevada in the United States by two chartered planes and arrived in South Korea on the evening of the 11th local time. The rest of Samsung employees are expected to fly back to South Korea on the 12th < p > it is worth noting that health officials in Nevada believe that "many new cases have a recent travel history, participate in various activities and have been to many places where they may be infected". Therefore, South Korea "has no evidence that the surge of new crown positive cases is related to CES" < p > according to the Korean disease management agency on the 12th, as of 0:00 on January 12, 2022, 4388 newly confirmed cases of new crown have been added in South Korea compared with the previous day, including 4007 new cases in South Korea (including 973 cases in Seoul), with a total of 674868 cases. There were 52 new deaths, a total of 6166 deaths, and the mortality rate was 0.91% < p > this article is the exclusive manuscript of observer.com and cannot be reproduced without authorization