Governments should consider offering another COVID vaccine specifically tailored to the Delta variant, according to a U.K. government advisor and Delta researcher.
The guidance comes after a new study indicated that the Delta variant was eight times less sensitive to the antibodies that vaccines provide to people compared to an earlier version of COVID from April 2020, in a lab environment.
This means it would take more antibodies from a vaccinated person to block Delta than to block this earlier version of the virus.
"We should seriously consider Delta-specific vaccines," said professor Ravi Gupta, professor of clinical microbiology at Cambridge University, member of the U.K. government's New and Emerging Respiratory Virus Threats Advisory Group (NERVTAG) virus advisory group, and lead author of the study. "The infectivity enhancement likely explains a lot of the vaccine breakthrough that we see."
Read the full article by Ed Browne here.
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