Moderna booster: Four ‘most commonly reported’ side effects after third dose – FDA update
The Omicron variant is still spreading like wildfire but there are encouraging signs it results in a milder form of the disease than previous strains. Getting your booster Covid vaccine could be the deciding factor in determining how mild or moderate Omicron proves if you catch it. That’s because the Covid booster shots can supercharge the body’s immune defences, growing research suggests.
Despite the patent benefits of rolling up your sleeve for a third time, many people are hesitant due to the potential side effects of getting vaccinated.
It must be stressed that complications associated with the Covid vaccines are extremely rare, although short-term side effects are to be expected from the booster shot.
The US Food and Drug Administration (FDA) – the drugs regulatory watchdog – has issued an update about the side effects to expect from the Moderna booster vaccine.
Most people eligible for a booster in the UK will be offered a dose of the Moderna vaccine or Pfizer/BioNTech vaccine.
READ MORE: Can you get Omicron after Delta? What are your chances of being re-infected with Covid?
When the Pfizer booster was given following two Pfizer shots, antibody levels rose more than eightfold.
The most substantial protection was conferred from a full dose of the Moderna vaccine, which raised antibody levels 32-fold in the AstraZeneca group and 11-fold in the Pfizer group.
When Moderna is used in the UK booster programme, it is given at a half-dose.
While the findings show that both Pfizer and Moderna mRNA vaccines are highly effective boosters, scientists cautioned about comparing their performance as people started with different antibody levels.
For example, antibody levels tend to remain high a few months after a Pfizer vaccination, so a booster would not be able to drive them much higher.
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