Kadra and her husband received their first doses at Tongren Hospital in April and the second in May.

"I remember that everything was very well organized and quick," she said.

Painan said the registration system implemented by the Shanghai government is comprehensive and easy to follow, but some families face the challenge of overcoming the language barrier and will require assistance at the clinics.

"TEC will undertake to understand the full process and procedure of vaccination, and play a bridging role of having a help desk manned by volunteers to answer any questions and concerns," she said.