Antibodies triggered by Chinese Covid-19 shots less effective on Delta variant - researcher
Antibodies triggered by two Chinese Covid-19 vaccines are less effective against the Delta variant compared with other strains but the shots still offer protection, a Chinese disease control researcher told state media.
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.
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