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A British scientific demo found no signal of hazard in having a flu shot and a second dose of a Covid-19 vaccine at the exact same time. The final results are welcome news for strained wellbeing treatment staff as flu season hits. The research supports the guidance of U.S. well being authorities.
In the study, doctors recruited 679 individuals concerning April and June throughout Britain. At the time, all of the volunteers had gained their first dose of a Covid-19 vaccine, possibly from AstraZeneca or Pfizer-BioNTech, the two vaccines that had been 1st licensed there.
When the volunteers returned for the 2nd dose of their Covid-19 vaccine, the scientists gave fifty percent of them a flu shot at the identical time, and the other half a placebo.
The scientists then monitored the volunteers for facet results, these types of as aches and fevers.
“There are no protection fears lifted in this demo,” the authors wrote in their preliminary report, which was posted on the net on Thursday but has not nevertheless been published in a scientific journal.
In addition to hunting at the security of the vaccines, the researchers also collected blood to measure antibodies to the coronavirus. Some combinations of distinctive vaccine makes led to a a little decrease degree of antibodies, and a somewhat increased amount in other scenarios. But the scientists did not suspect that any mix of a flu and Covid vaccine would consequence in a lower effectiveness than each given separately.
The researchers did not speculate about what immune responses people will experience if they get a flu shot at the same time as a 3rd Covid-19 shot, which several persons may well be accomplishing now that the Biden administration has authorized boosters for significant swaths of at-risk Individuals.