SOCIO-DEMOGRAPHICS AND HEALTH IMPLICATIONS OF AIRBORNE POLLEN AND SPORES IN IBADAN METROPOLIS, SOUTHWEST, NIGERIA
Keywords:
Aeropalynology, allergy, health, demographics, meteorology, IbadanAbstract
Airborne pollen and spores of certain plants elicit allergic reactions in hypersensitive humans. These allergic reactions cause health and socioeconomic problems for nations. To evaluate the effects of these aeropalynomorphs, an aeropalynological study was conducted with a demographic survey in the metropolis of Ibadan, Southwest Nigeria, from November 2012 to February 2013, in three strategic locations. Demographic variables evaluated were the gender, allergic responses, location of respondents, season of occurrences of symptoms, sources and choices of relief from allergies. Collected aerosamples were palynologically treated using Erdtman (1969) acetolysis method. Pollen counts were integrated with weather parameters and clinical data. Pre-tested and validated questionnaires and oral interview approaches were adopted among inhabitants for the demographic survey. Clinical data were sourced from local hospitals and pharmacy outlets. The symptoms of allergies experienced by respondents included catarrh, runny nose, eye, and skin itching. Out of all the symptoms, catarrh was the most prevalent, followed by eye itching. The highest percentage of sufferers of recorded symptoms prefer local drug stores known as ‘chemists’ to prescriptions by medical doctors or pharmacists. The results also showed that symptoms are not gender-specific. High frequency and severity of cases occurred during the drier and harmattan periods, which coincided with the highest pollen counts. Notable allergenic pollen of interest include Poaceae (Zea mays), Asteraceae, Anacardiaceae, and Euphorbiaceae (Alchornea cordifolia), as well as Fungal spores. This work documents the first combined approach of demography, meteorological parameters, and aeropalynology in a palynological research study in Nigeria.
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