Acknowledgement
The authors are grateful for the support from the NCKU Epidemic
Prevention Scientific Research Center and Core Research Laboratory,
College of Medicine, National Cheng Kung University. We also thank the
technical services provided by the “Biosafety Level 3 Core Laboratory
(MOST 111-2740-B006-003) of the National Core Facility for
Biopharmaceuticals (MOST 111-2740-BA49-002), National Science and
Technology Council, Taiwan. We would also like to express our gratitude
to all the team members involved in the COVID-19 specialized maternity
unit, including obstetricians, obstetric nurses, infectious disease
physicians, and the Center for Infection Control of NCKUH.