Physician education on World Asthma Day aids in disease management during the COVID-19.

"Declarations Ethics approval and consent to participateEthics approval was obtained from the Clinical Ethics Committee of the Affiliated Hospital of the medical school of Ningbo University (KS20227014). We informed participants that they would sign the consent by default if they completed the survey. All of the patients were invited to voluntarily participate in the online survey. Consent for publicationNot applicable. Competing interestsNone. Competing interests None."

"Funding This work is supported by [Joint Fund by School of Medicine of Ningbo University School for collaboration between school and hospital] grant number (201804) Demonstration Project of Science and Technology Service Industry of Ningbo Science and Technology Bureau (2020F027); Zhejiang Provincial Health Science and Technology Plan Project (2021KY318)."