Author Correction: Safety and immunogenicity of a tetravalent and bivalent SARS-CoV-2 protein booster vaccine in men.

This correction notice is for an article titled "Safety and immunogenicity of a tetravalent and bivalent SARS-CoV-2 protein booster vaccine in men" published in Nature Communications. The correction addresses an error in the author's name, where Linda Saf Eldin was incorrectly written as Linda Saifeldin. The original article has been corrected to reflect the accurate name. The authors of the article include Suad Hannawi, Linda Saf Eldin, Alaa Abuquta, Ahmad Alamadi, Sally A. Mahmoud, Aala Hassan, Shuping Xu, Jian Li, Dongfang Liu, Adam Abdul Hakeem Baidoo, Dima Ibrahim, Mojtaba Alhaj, Yuanxin Chen, Qiang Zhou, and Liangzhi Xie. [Extracted from the article]