China denies that it is using the coveted vaccine as a diplomatic tool, one that Chinese President Xi Jinping has said will be used for global good.
At the Xuhui district vaccination station, healthcare workers said the vaccine is not recommended for people with preexisting immune system illness such as HIV and lupus erythematosus, as well as people who have diabetes or high blood pressure.
A number of countries are already offeringto all adults or are trying approaches.
China is now developing its own.
These vaccines also offer against infection with omicron.
What clinical trial data are there? Are Chinese vaccines effective against COVID-19 spread? Sompong Vongpunsawad, a virologist at Chulalongkorn University in Bangkok, led a team that looked at antibody levels in 54 people who received one dose of CoronaVac and one of Oxford—AstraZeneca.