Harianjogja.com, JAKARTA – The first and second doses of the Covid-19 vaccine still provide strong protection within a year of being injected.
The UK’s vaccine advisory body will decide whether a booster dose against Covid-19 is needed this fall.
Vaccinologist at Oxford Dame University Sarah Gilbert says giving millions of people a third dose of injection is a complicated decision. Prof Gilbert designed the Oxford-AstraZeneca vaccine in early 2020 when Covid first emerged in China.
He said there was no sign of a decline in immunity in the ongoing vaccine trial, which began in April 2020.
The Joint Committee on Vaccination and Immunization (JCVI) has said a third additional dose should be offered to people with severely weakened immune systems.
“The first dose of the most impactful Covid-19 vaccine, whoever you give the vaccine to,” he said.
He said that maximum protection would be obtained if the public received a single dose of the Covid-19 vaccine. However, currently there are two doses of the vaccine available.
“The second dose of the vaccine can maintain immunity against the corona virus. While the third dose is only to increase it,” he said.
He also said there are vaccines that require re-maintenance of the immune response. How, by giving booster.
However, it has not been decided whether a booster dose is needed to extend protection to more people at high risk from Covid-19, including those who normally qualify for the flu vaccine.
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Source: Bisnis.com
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