Dr Amir Khan urges public to ‘still go and get vaccinated’
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Covid vaccine effectiveness may decline over time with cases of the highly contagious Delta Covid variant still circulating, according to new research from the Centres for Disease Control and Prevention (CDC). A study released this week showed vaccine effectiveness decreased among health care workers who were fully vaccinated since the time the Delta variant became widespread, which could be due to waning effectiveness of the vaccine over time.
Higher transmissibility of the Delta variant and other factors could also be to blame.
But appearing on ITV’s Lorraine, GP Dr Amir Khan urged viewers the waning effectiveness was nothing to worry about.
He said: “It’s nothing to worry about, it’s what we expect with vaccines.”
The CDC also said the trend should be “interpreted with caution” because a decline in vaccine effectiveness could be due to “poor precision in estimates due to limited number of weeks of observation and few infections among participants”.
Dr Amir said the vaccines still offer good protection and urged people to still go forward and get it.
He explained: “The study here shows that after six months the protection the two vaccines offer does wane slightly.
“So the Pfizer vaccine, that protection drops from 88 percent to 74 percent.
“For the AstraZeneca vaccine, it’s 77 to 67 percent.
“But there’s still good protection even after six months.
“So the message here is you must still go forward and get your vaccines because it’s the best way to be protected against the coronavirus.”
He added: “And we’re seeing cases go up, we’re averaging 100 deaths per day now when it comes to coronavirus.
“So it’s really, really important.”
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