To Evaluate the Efficacy and Safety of "Rongyang Zhengyifang" Tea Bag With COVID-19 Variant Virus
NCT05504447
·
clinicaltrials.gov ↗
NA
Phase
UNKNOWN
Status
92
Enrollment
OTHER_GOV
Sponsor class
Conditions
Herbal Interaction
Interventions
OTHER:
Rong-Yang Zhengyifang" tea bag
OTHER:
placebo tea bag
Sponsor
Taipei Veterans General Hospital, Taiwan