Although the rate of vaccination increases and more, we also hear more about cases of breakthrough infections.

Know the most common COVID symptoms registered after vaccination

While the overall percentage of cases is still much lower than that of unvaccinated people receiving COVID-19. Knowing the most important cases, that is, contracting COVID-19 after infection can be a bit disconcerting.

How do vaccines help us to reduce the risk of infection?

While clinical evidence indicates that the overall risk of infection, from severity to mortality, can be effectively controlled with vaccines, being immunized can also cause people to develop slightly different symptoms than those who are not vaccinated.

The latest study, which notes that progressive infections are vaguely similar to those of a cold, was collected through the COVID Symptom Study, which tracks symptoms of COVID-19 reported among more than 1 million people living in the UK.

How do these findings help us?

Although there is no particular reason why this happens, or no other cause other than the Delta variant that has led to an increase in post-vaccination COVID cases. Experts suggest that differentiating between infection symptoms can help a person establish risks and recognize whether they have COVID, or just something else.

With a very small percentage of people suffering from a serious illness after vaccination, the development of these symptoms may indicate that they have a breakthrough infection:

Throat pain

A sore throat (pharyngitis) or inflammation of the throat is a common sign that a virus has attacked you. It is also considered to be one of the main symptoms when SARS-COV-2 infects the body. Experiencing pain due to a viral infection can lead to a sore or an itchy sensation in the throat. Some even experience a mild burning or stinging sensation, which can be made worse by swallowing food or water.


Headache, a common form of myalgia, can also be another common symptom that unvaccinated and vaccinated people can share, if they contract COVID-19.

Even though the myalgia and body pain experienced with a COVID-19 infection can be quite excruciating, a headache can often be one of the first warning signs of the disease and occurs when there is a lot of inflammation in the body. the upper respiratory tract.

On the other hand, the study has also shown that those who are not partially vaccinated can also experience a fever with this (more likely someone who is fully vaccinated).

Runny nose

Experiencing a runny nose is another symptom that may feel different with COVID, if a patient has been vaccinated. While it is not a classic symptom of infection, many experts believe that as the virus continues to mutate, some people may also experience a runny nose or congestion if they test positive. It can feel a lot like a cold and last for a while.


Sneezing is a symptom experienced by those who are fully vaccinated and yet test positive. While experts continue to delve into the causes of a change in the pattern of symptoms, sneezing episodes can be mistaken for a sign of a cold and therefore a proper awareness of the signs and symptoms of a breakthrough infection is necessary. .

Some anecdotal evidence has also suggested that sneezing may be a common side effect of vaccines for those who may have had COVID-19 before.

Persistent cough

Among those who are partially vaccinated, meaning they have a higher risk of contracting the disease and worse outcomes, a persistent cough is a sign that should not be taken lightly.

Not only can COVID variants cause symptoms of more rapid, moderate, or severe intensity, but a persistent cough can be a sign of inflammation in the respiratory tract. Persistent and prolonged coughing can also take time to resolve and induce discomfort.

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