There is a shortage of kanpa despite the fact that its efficacy is questionable in light of the current COVID epidemic.

Traditional Chinese kanp medication, which is occasionally prescribed by doctors, has been in short supply as Japan faces yet another wave of COVID-19 infections prior to the New Year's vacation season.

A recent Japanese study on the effects of kanp on COVID-19 symptoms may further increase their demand. Some domestic media reported the research's good findings after it was done and released in November by Tohoku University. ....