Britain is set on mixing different coronavirus vaccines under special circumstances, despite limited knowledge or mixed doses offering the same degree of protection as uniform doses.
On New Year’s Eve, the British government announced updated guidelines which read: “(If) the same vaccine is not available, or if the first product received is unknown, it is reasonable to give one dose of the locally available product to to complete the schedule. “
Mary Ramsay, head of vaccinations at Public Health England, explained that different doses of the coronavirus vaccine would only be given out on extremely rare occasions, Reuters reports.
“We have to do everything we can to give the same vaccine, but where it is not possible, it is better to give a second dose of another vaccine than not at all,” she said.
Britain became the first to authorize both the Pfizer BioNTech and the AstraZeneca vaccine in December. Both vaccines require two doses a few weeks apart, but they were not created to fit together, Reuters reports.
According to the guidelines issued by Britain, there is still no “evidence on the interchangeability of the COVID-19 vaccines, although studies are ongoing.”
The British government also expressed concern earlier this month when it announced that the administration of the second dose of coronavirus vaccine by twelve weeks to those who received the first shot would be delayed to the initial shot, which offers limited protection against the virus. more people, according to Reuters.
Top expert infectious diseases, Anthony Fauci
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“I will not advocate for that,” he told CNN. “We’re going to keep doing what we do.”