COVID-19 VACCINATION - BENEFITS OUTWEIGH RISKS
COVID-19 vaccination - benefits outweigh risks |
| The UK’s Medicines and Healthcare products Regulatory Agency (MHRA), European Medicines Agency (EMA) and the World Health Organization have all reiterated that the benefits of the Oxford/AstraZeneca vaccine in the prevention of COVID-19 far outweigh any possible risk of blood clots amongst those groups currently eligible to receive their first vaccination, as well as all of those due their 2nd dose.
Offering further reassurance, the EMA said that these extremely isolated cases “should be listed as very rare side effects”. In those aged 18-29, an alternative vaccine will be offered when the time is right for vaccinating this group, and GPs will ensure the appropriate vaccine is offered, and any questions are answered. The UK’s Joint Committee on Vaccination and Immunisation (JCVI) has stated that this change in course has been made - not because there is a high risk to the under 30s from this vaccine, but due to them having taken an approach of the utmost caution - which should provide great reassurance, and is quite normal in the rollout of a global vaccination program. More information can be found here: |
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COVID-19 vaccination and blood clotting - GOV.UK (www.gov.uk)
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COVID-19 vaccination and blood clotting
The UK vaccination programme has been very successful with more than 30 million people vaccinated and more than 6,000 lives already saved.
What is the concern?
Recently there have been reports of a very rare condition involving blood clots and unusual bleeding after vaccination. This is being carefully reviewed but the risk factors for this condition are not yet clear.
Although this condition remains extremely rare there appears to be a higher risk in people who have had the first dose of the AstraZeneca (AZ) vaccine. Around 4 people develop this condition for every million doses of AZ vaccine doses given.
This is seen slightly more often in younger people and tends to occur between 4 days and 2 weeks following vaccination.
Benefits and risks of the vaccination
Age | Risk from COVID-19 | Benefit of vaccination | Risk of vaccination |
Over 50 years of age or having underlying medical conditions | Low - catching infection, passing on infection | 1 dose – more than 80% reduction: deaths, hospitalisation, intensive care | Uncommon - sore arm, feeling tired, headache, general aches, flu like symptoms |
| Moderate - Long COVID | 2 doses – more than 95% reduction: deaths | Extremely rare - clotting problems |
| Very high - hospitalisation, intensive care admission, death | | |
30 to 49 years of age | Low - hospitalisation, intensive care admission, death | 1 dose – between 60% and 70% reduction: catching infection, passing on infection | Common - sore arm, feeling tired, headache, general aches, flu like symptoms |
| Moderate - Long COVID | 2 doses – more than 85% reduction: catching and passing on infection | Extremely rare - clotting problems |
| High - catching mild infection, passing on infection | | |
18 to 29 years of age | Very low - hospitalisation, intensive care admission, death | 1 dose – between 60% and 70% reduction: catching infection, passing on infection | Very common - sore arm, feeling tired, headache, general aches, flu like symptoms |
| Moderate - Long COVID | 2 doses – more than 85% reduction: catching and passing on infection | Extremely rare - clotting problems |
| Very high - catching mild infection, passing on infection | | |
This condition can also occur naturally, and clotting problems are a common complication of COVID-19 infection. An increased risk has not yet been seen after other COVID-19 vaccines but is being carefully monitored.
What to look out for after vaccination
Although serious side effects are very rare, if you experience any of the following from around 4 days to 4 weeks after vaccination you should seek medical advice urgently:
- a new, severe headache which is not helped by usual painkillers or is getting worse
- a headache which seems worse when lying down or bending over
- an unusual headache that may be accompanied by:
- blurred vision, nausea and vomiting
- difficulty with your speech
- weakness, drowsiness or seizures
- new, unexplained pinprick bruising or bleeding
- shortness of breath, chest pain, leg swelling or persistent abdominal pain
What you should do next
Over 50 years of age or with underlying medical conditions
All older adults (including health and social care workers over 50 years of age), care home residents, health and social care workers (includes unpaid carers and family members of those who are immunosuppressed) and adults with certain medical conditions were prioritised in the first phase of the programme because they were at high risk of the complications of COVID-19.
The Medicines and Healthcare products Regulatory Agency (MHRA) and the Joint Committee on Vaccination and Immunisation (JCVI) advises that you should still receive any of the available COVID-19 vaccines. The benefits of vaccination in protecting you against the serious consequences of COVID-19 outweigh any risk of this rare condition. You should also complete your course with the same vaccine you had for the first dose.
If your first dose was with AZ vaccine without suffering any serious side effects you should have the second dose on time as you may still be at high risk of the complications of COVID-19. Having the second dose will give you higher and longer lasting protection.
If you are a healthy person over 30 to 50 years of age
The MHRA and the JCVI advises that all adults in this age group (including health and social care workers) should still receive any of the available COVID-19 vaccines.
The benefits of vaccination in protecting you against the serious consequences of COVID-19 outweigh any risk of this rare condition. You should also complete your course with the same vaccine you had for the first dose.
If you are a healthy younger person aged 18 to 39
The MHRA and the JCVI advises that all adults in this age group (including health and social care workers) should still receive any of the available COVID-19 vaccines. The benefits of vaccination in protecting you against the serious consequences of COVID-19 outweigh any risk of this rare condition. You should also complete your course with the same vaccine you had for the first dose.
Currently JCVI has advised that it is preferable for people under 30 to have a vaccine other than AZ. If you choose to have another COVID-19 vaccine you may have to wait to be protected. You may wish to go ahead with the AZ vaccination after you have considered all the risks and benefits for you.
About the second dose
If you have already had a first dose of AZ vaccine without suffering any serious side effects you should complete the course. This includes people aged 18 to 29 years who are health and social care workers, unpaid carers and family members of those who are immunosuppressed. It is expected that the first dose of the vaccine will have given you some protection, particularly against severe disease.
Further information can be found at NHS.UK.