Wechat scan QR code < / P > < p > to share with friends and circle of friends_ blank" href=" https://news.163.com/news/search?keyword=%E5%9B%BD%E8%8D%AF%E9%9B%86%E5%9B%A2 "> Zhang Yuntao, vice president of Sinopharm group, said that from the preliminary results, strengthening acupuncture can effectively improve < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E6%8A%97%E4%BD%93 "> antibody < / a > < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E6%8C%81%E4%B9%85%E6%80%A7 "> persistence < / a >, improve < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E7%96%AB%E8%8B%97 "> the ability of vaccine < / a > to resist mutation. We also need to carry out phase III clinical studies overseas to continuously observe and see the durability of its protection. Is it necessary to < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E6%8E%A5%E7%A7%8D "> vaccination with < / a > booster needle should be answered according to the results of phase III clinical studies in the future.