It is a live vaccine which means it contains a weakened version of the chickenpox virus. As such, it is not recommended for those with a compromised immune system because of an illness like HIV or as a result of treatment such as chemotherapy.
Brent geese and dunlins are among the birds that feed on the mudflats at Northey Island
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肖赛夺冠后，陆逸轩被记者包围。图丨© Wojciech Grzedzinski
Some policymakers think that climate-friendly policies are impeding the adoption of green hydrogen. They should ask scientists to review the evidence.