Why allergies can reduce the risk of contracting the Covid virus - BBC News Brazil

Why allergies can reduce the risk of contracting the Covid virus – BBC News Brazil

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Over the course of the Covid-19 pandemic, we have discovered who is most vulnerable to contracting the virus and developing the most severe disease cases.

Old age, obesity and various comorbidities such as diabetes and high blood pressure are some of these risk factors. A higher body mass index (BMI) also appears to be associated with an increased chance of contracting the virus in the first place.

But what about the factors that can make a person less likely to contract the virus? Interestingly, research shows that having an allergy can lower your risk.

Allergies are very common. At least 400 million people worldwide are affected by pollen allergy, known in English as hay fever. About 300 million people suffer from allergic asthma (caused by inhaling allergens), while food allergies affect about 250 million people.

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