Local health authorities have increased the frequency of Covid-19 testing for fully vaccinated staff at a key infectious disease hospital as part of an intensifying drive to convince Beijing to reopen the border between mainland China and Hong Kong.
BBC News
By Tessa Wong
image captionIndonesia has been mainly using Sinovac s vaccine in its Covid immunisation programme
Across Asia, Chinese vaccines have played a crucial role in immunising people against Covid-19, with millions receiving either a Sinovac or Sinopharm jab.
But in recent weeks, concerns have grown about their efficacy. Now, some Asian countries which made Chinese vaccines a key plank in their immunisation programmes have announced they will use other jabs.
The move has raised questions, not only about whether China s vaccines can be trusted, but also about its attempts at vaccine diplomacy in Asia.
What s happening in Thailand and Indonesia?