A survey produced by the ZOE COVID Symptom Study – an initiative promoted by scientists from King’s College London, in partnership with other research institutions – lists some of the symptoms reported by those who have contracted Covid-19, including in populations vaccinated with one or two doses of coronavirus. . To collect this data, one million UK residents reported, through an app created by researchers, how the body reacted to the infection.
However, the study does not distinguish between patients with the original strain of coronavirus and those with the delta type, which is on the rise in the UK. Therefore, symptoms may differ from those more common in Brazil, where Delta has not yet spread.
According to the survey, the main symptoms reported by the unvaccinated were: headache, sore throat, runny nose, fever and persistent cough. Loss of smell was not uncommon among reports, ranking 9th, as well as shortness of breath, which ranked 30th.
Among those vaccinated with a single dose, symptoms that were uncommon at the beginning of the epidemic, such as a runny nose and sneezing, developed. In addition, there have also been frequent reports of sore throat and persistent cough. Fever, once considered a typical symptom, became less frequent in this group.
When a person was vaccinated with two doses, according to the research, there was a significant reduction in reports of symptoms, which lasted less time when onset, compared to those who were partially vaccinated. This evidence confirms that full vaccination plays its role in preventing the exacerbation of the disease.
For patients who had already completed the vaccination schedule, reports of headache, sneezing, sore throat, and loss of smell were more common. In these people, a persistent cough was the eighth most common symptom. Fever appeared in the 12th place, and shortness of breath in the 29th place.
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