Flu vaccine shortages hit China after rush to avoid 'twindemic'

Long queues and inflated prices amid fears that flu could complicate anti-Covid effort

A surge in demand for flu shots in Chinese cities has caused shortages, long lines and triple markups on vaccines by scalpers selling them online.

Residents, afraid of the possibility of catching both the flu and Covid-19 - what some have called a twindemic", have rushed to clinics since China began its flu vaccine campaign in September.