Over 47 million people in the UK received at least one vaccine dose and the rollout has now been extended to 16 and 17 year-olds in England in a bid to boost immunity before pupils return to school in early September.
However, there are still millions of people who remain completely unvaccinated, while others are still waiting to receive their crucial second dose to ensure maximum protection.
If you have yet to take up the offer of a Covid-19 vaccine, or are due to attend your second appointment soon, it is normal to experience some side effects after your jab.
Symptoms are typically worse after the second dose, although some people may not notice any side effects at all.
Most symptoms are mild in nature and should usually last no longer than a week, but more rare side effects can occur in a very small number of cases.
People aged under 40 will be offered the Pfizer or Moderna Covid-19 vaccines, while older age groups may receive AstraZeneca.
Listed are 13 side effects commonly associated with these vaccines and how long they usually last.

9. Swollen glands
Swollen glands in the armpit or neck on the same side as the arm where the jab was given is one of the more uncommon side effects. It can last for around 10 days, but if it lasts longer you should see your doctor. Photo: Shutterstock

10. Heavy or painful periods
Some women have reported experiencing early, heavy or painful periods after the vaccine. It is not yet known if the vaccine is causing these changes, but health experts have said it is nothing to worry about and painful, or early, periods are not a sign of any long-term harm. Photo: Shutterstock

11. Allergic reactions
Most people with allergies, including food and penicillin allergies, can be vaccinated against Covid, but you should inform healthcare staff if you have ever had a serious allergic reaction, such as anaphylaxis, before your jab. Serious allergic reactions are very rare and if they do occur, will usually happen in minutes. Vaccine staff are well trained to deal with these cases and treat them immediately. If you have a serious allergic reaction to the first dose, you should not have the same vaccine dose for your second jab. Photo: Ian Forsyth

12. Heart inflammation
There have been rare cases of heart inflammation reported after Covid-19 vaccination, but it is not yet clear if this was caused by the jabs. You should seek urgent medical advice if you experience shortness of breath, chest pains, a fast-beating, fluttering or pounding heart (palpitations). Photo: Shutterstock


