Open AliPay
Open Alipay, find the health code icon on the opened page, and click Enter.
Click proxy
On the health code page, find the proxy button above, and then click proxy.
input data
After that, enter your family identity information on the page that appears, and then click the submit button below.
Click query
Return to the health code page, slide down to find the COVID-19 vaccination query function, and then click Enter.
5 View information
After that, you can see the vaccination information of your family in COVID-19 on the COVID-19 vaccination inquiry page.
I hope my answer can solve your doubts, and I hope it will be adopted. Thank you!