Safety of COVID-19 Vaccination in Patients With Breast Cancer: Cross-Sectional Study in China

Shaohua Zhang   ^{1 *} , MD ;   Jianbin Li   ^{1, 2 *} , MD ;   Ruonan Xu   ¹ , MD ;   Qianjun Chen   ³ , MD ;   Gang Sun   ⁴ , MD ;   Ying Lin   ⁵ , MD ;   Yali Cao   ⁶ , MD ;   Yiding Chen   ⁷ , MD ;   Cuizhi Geng   ⁸ , MD ;   Yuee Teng   ⁹ , MD ;   Jianyun Nie   ¹⁰ , MD ;   Xinzheng Li   ¹¹ , MD ;   Guiying Xu   ¹² , MD ;   Xinlan Liu   ¹³ , MD ;   Feng Jin   ⁹ , MD ;   Zhimin Fan   ¹⁴ , MD ;   Ting Luo   ¹⁵ , MD ;   Hong Liu   ¹⁶ , MD ;   Fu-sheng Wang   ¹ , MD ;   Zefei Jiang   ¹ , MD

¹ Fifth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, China

² Beijing Institute of Biotechnology, Academy of Military Medical Sciences, Beijing, China

³ Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangdong, China

⁴ Cancer Hospital Affiliated to Xinjiang Medical University, Xinjiang, China

⁵ The First Affiliated Hospital of Sun Yat-sen University, Guangdong, China

⁶ Nanchang Third Hospital, Jiangxi, China

⁷ The Second Affiliated Hospital of Medical College of Zhejiang University, Zhejiang, China

⁸ Fourth Hospital of Hebei Medical University, Hebei, China

⁹ The First Hospital of China Medical University, Liaoning, China

¹⁰ Yunnan Cancer Hospital, Yunnan, China

¹¹ Shanxi Cancer Hospital, Shanxi, China

¹² Jilin Cancer Hospital, Jilin, China

¹³ General Hospital of Ningxia Medical University, Ningxia, China

¹⁴ The First Hospital of Jilin University, Jilin, China

¹⁵ Sichuan Uniersity Huaxi Campus, Sichuan, China

¹⁶ Tumor Hospital of Tianjin Medical University, Tianjin, China

*these authors contributed equally