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 The Delta variant of the new coronavirus, first detected in India,
is becoming the globally dominant variant of the disease with its
increased transmissibility, the World Health Organization's chief
scientist warned last week.
In an interview aired by China Central Television late on Thursday,
Feng Zijian, researcher and former deputy director at the Chinese
Center for Disease Control and Prevention, did not provide further
details.
Without naming the two vaccines, Feng said they fell into the
category of inactivated vaccines, which contain "killed" coronavirus
that cannot replicate in human cells.
Five out of the seven domestically developed vaccines in China's
mass inoculation scheme are inactivated vaccines. These include
shots from Sinovac Biotech and Sinopharm used in countries such as
Brazil, Bahrain and Chile.
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The Delta variant has caused infections in three cities in southern
Guangdong province, officials said, where a total of 170 locally
confirmed patients were reported between May 21 and June 21.
It remains unclear how many of them contracted the Delta variant.
About 85% of the Guangdong cases in the latest outbreak were found
in the provincial capital, Guangzhou.
"In the Guangdong outbreak ... none of those vaccinated infections
became severe cases, and none of the severe cases were vaccinated,"
Feng said.
(Reporting by Roxanne Liu and Ryan Woo; Editing by Stephen Coates)
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