
This included myalgia (i.e. muscle pain), chills, fever, and joint pain.
The Moderna vaccine caused a greater number of reactions for the following symptoms compared to the Pfizer jab:
- Injection-site pain, redness, swelling and itching
- Fatigue
- Headache
- Myalgia
- Chills
- Fever
- Joint pain
- Nausea
- Vomiting
- Diarrhoea
- Abdominal pain
- Rash
“A greater percentage of participants who received the Moderna vaccine, compared with the Pfizer-BioNTech vaccine, reported reactogenicity,” the researchers noted.
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Based on clinical trials, the Moderna vaccine was 94.1 percent effective at preventing illness from Covid.
This effectiveness remained consistent regardless of age, sex, race, and people with underlying medical conditions.
Most people who participated in trials were healthcare workers who had a greater risk of exposure to the virus.
The mRNA vaccine uses Covid’s genetic code, prompting antigens to be created when injected into a person’s upper arm.
These antigens are recognised by the immune system, which prepares the body to fight the intruder.
A Department of Health and Social Care spokesperson said the roll-out in England will come about “as soon as possible this month”.
It has not yet been confirmed whether the roll-out of the Moderna jab will commence in Northern Ireland.
The CDC reinforced that Covid vaccines are “safe and effective”, with immunity kicking in two weeks after having the jab.
“Getting vaccinated is one of many steps you can take to protect yourself and others from COVID-19,” said the CDC.
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