If you’ve received one dose or two doses of the Covid vaccine, whether it be the Pfizer, AstraZeneca or Moderna jab, or still waiting for your turn, here are the signs of infection you need to aware of.

According to the ZOE COVID Symptom Study, the world’s largest study of COVID-19 and a symptom-monitoring application, vaccinated patients develop the infection primarily through frequent sneezing, although in unvaccinated patients it is often considered a sign of cold or allergy rather than infection.

In those who have been fully vaccinated, the four most common symptoms – from most to least – goes as follows:

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1. Headache
2. Runny nose
3. Sneezing
4. Sore throat.

People who have been fully vaccinated have reported Covid symptoms that linger for a shorter amount of time compared to the non-vaccinated subjects.

This suggests that the Covid vaccines are working as they should – minimizing the severe effects of the potentially deadly virus.

For those who have had one Covid jab, the top four most common symptoms are still a headache, runny nose, sneezing, and sore throat.

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However, for people who are still waiting to receive their second vaccination, they’re more likely to have a sore throat than to sneeze a lot.

Interestingly, a new, continuous cough doesn’t appear in the top four most common signs of infection anymore.

Yet, it must be noted, the symptom can still appear, but is far less common nowadays than it once was.

People who haven’t been vaccinated are more likely to experience a fever if they catch the virus.

Those unvaccinated are most likely to suffer from:

• Headache
• Sore throat
• Runny nose
• Fever.

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