The role of anti-platelet factor 4 antibodies and platelet activation tests in patients with vaccine-induced immune thrombotic thrombocytopenia: Brief report on a comparison of the laboratory diagnosis and literature review.

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"The authors would like to thank the staff and researchers at the Taoyuan Armed Forces General Hospital, and Medical Affairs Bureau, Ministry of National Defense, Taiwan; in particular, Dr. Jiann-Torng Chen, Dr. Chien-Sung Tsai, Dr. and Jhih-Ying Lin who responded fast and commanded properly during the nosocomial infection of COVID-19 in June 2021. This study was supported by grants from the Research Fund of the Taoyuan Armed Forces General Hospital (TYAFGH-D-111038). Finally, the authors thank the patient’s consenting to publish the clinical information."