Study: people with allergic diseases may have a lower risk of covid-19 infection

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b9da4aac1047fa7 - Study: people with allergic diseases may have a lower risk of covid-19 infection

studies have shown that, contrary to recent findings, older age, men and other basic diseases are not associated with an increased risk of infection. However, the results show that Asian Americans, obesity, family overcrowding, social activities with other families indoors and people-oriented work other than health and social care are independently associated with the high risk of covid-19

researchers point out that there is increasing evidence that at least some risk factors for covid-19 may be different from those prone to serious diseases and requiring intensive care

in order to further explore this issue and collect the possible contributions of population, socio-economic, lifestyle, diet, medical and basic conditions to the risk of covid-19, the researchers collected detailed information on the potential risk factors of covid-19 among British adults from May 2020 to February 2021

all participants were asked to provide their age, family status, work, lifestyle, weight, height, long-term illness, medication, vaccination, diet and supplement intake when joining the study, and then provide them again in the following months

of 16081 eligible people, 15227 completed at least one follow-up monthly follow-up questionnaire within 30 days or more after joining the study; 14348 people completed the final questionnaire on or before February 5, 2021

the average age of participants was 59, 70% were women, and 95% thought their race was white

during the study period, a total of 446 participants (nearly 3%) had at least one confirmed covid-19 infection, which was determined by swab test, of which 32 were hospitalized

during the study, the researchers considered a series of potential influencing factors: age, gender, time to participate in the study, race, detection frequency, race, education, poverty, family income, housing type, number of people per bedroom, school children at home, owning pet dogs, shielding, social activities with other families, going to stores and other indoor public places Go to work or study, first-line worker status, physical activity, alcohol intake, body weight (BMI), asthma, allergy, use of immunosuppressive drugs, inhaled corticosteroids and bronchodilators, BCG vaccination, intake of fruits, vegetables and salads, and use of nutritional supplements

therefore, some factors are considered to be independently associated with an increased risk of covid-19

Asian / Asian British people are more than twice as likely to be infected as their white counterparts

similarly, families are overcrowded; Social activities with other families in the previous week; Number of visits to indoor public places; Working with people in addition to health and social care; Overweight / obesity is associated with increased risk

the results show that the more people share a family, the more times they go to indoor public places, and the higher the probability of becoming infected

however, atopic (allergen induced) diseases, including eczema / dermatitis and hay fever / allergic rhinitis, were independently associated with a 23% lower risk of infection than those without atopic diseases or asthma

among those with atopic diseases and asthma, the risk was even lower: 38%. This association was established even after taking into account the use of steroid inhalers

according to the researchers, taking drugs that inhibit the immune system response (immunosuppressants) is also associated with a 53% reduction in the risk of covid-19 infection, although this may reflect the higher degree of protection against infection in these patients. However, age, gender, other medical conditions, diet and supplement use were not associated with the risk of infection

since this is an observational study, the reason behind this cannot be determined. The researchers admit that their research has some limitations

these limitations include the lack of supervision of swab tests and dependence on routine test results, which are usually caused by symptoms, so it is likely to miss those asymptomatic infections

in addition, some ethnic minorities, especially blacks, Africans and Caribbean people, are underrepresented in the study because the participants are voluntary

nevertheless, the researchers concluded: “this large, population-based prospective study shows that there is limited overlap between risk factors for covid-19 and risk factors for admission to the intensive care unit and death, as reported in the inpatient cohort.”