The extension of the administration third dose of the vaccine against coronavirus and to citizens aged 40 to 49 years announced on Monday (15/11) British officials, in an effort to strengthen the declining immunity of the population in view of the colder winter months.
Currently all citizens over the age of 50, those belonging to vulnerable groups and first-line health workers, have the right to be vaccinated with a booster dose and the Joint Vaccination and Immunization Committee announced that vaccinations would be further extended.
The recommendation comes as the UK Health and Safety Service released data from a real-world data-based study which found that the booster dose provided more than 90% protection against symptomatic COVID-19 in people over the age of 50. .
“The boosting dose of the vaccine in more vulnerable adults and the second dose in 16-17 year olds are important ways to increase protection against coronavirus infection and serious illness,” said Wei Saint-Lim, its president. Service responsible for COVID-19 vaccinations.
“Those vaccinations “They will also help expand our protection in 2022,” he added, according to the Athens News Agency.
The Pfizer and Moderna vaccines are used for the third dose
Britain mainly uses Pfizer-BioNTech and Moderna vaccines for booster dose, which administered to vaccinated six months after the second dose.
Real-world research has shown that protection against symptomatic disease after a booster dose was 93.1% for those initially vaccinated with AstraZeneca and 94% for those with Pfizer.
The Joint Vaccination and Immunization Committee noted that the protection provided by the booster dose against serious illness is expected to be higher.
However, the Commission refused to propose a booster dose for people under the age of 40 on the grounds that it had not found any conclusive evidence of a reduction in protection against severe COVID-19 after the initial doses of the vaccine in this age group.
Prime Minister Boris Johnson relies on the memorial dose and vaccination of children to increase the resilience of hospitals during the winter months without having to resort to a new lockdown.
The Commission also announced that all adolescents aged 16-17 would be asked to take the second dose, whereas initially they were only asked to take one dose unless they were suffering from an underlying disease.
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