D3.16 - Recommendations to travelers with pollen allergy, main pollens identified in aerobiological stations from Perú and Spain
Background
Allergy precautions must be taken regarding the preventive treatments that must be followed when the patient with pollinosis travels to another cities. Our aim is to report the principal pollen types identified in cities from Perú and Spain.
Method
Records were requested from the coordinators of aerobiological stations in Perú and Spain (Aerobiology Committee of the Spanish Society of Allergology and Clinical Immunology), we used information of Burkard spore trap for 7 days samplers. The selection of pollen types was based on their frequency and seasonal variation.
Results
Poaceae (grass) and Olea europaea were the most frequent pollens. In Peruvian Cities presented high concentrations of Poaceae from September to January, an annual average peak in a sampled period (2016 – 2018), showed: Arequipa: 312 grains/m3 and Cuzco: 384 grains/m3, and Lima metropolitan 43 grains/m3 (2021 – 2024).
Olea europaea, peaked from September to January, (2016 – 2018), we found: Arequipa: 454 grains/m3 and Tacna: 588 grains/m3, and Lima metropolitan 33 grains/m3 (2021 – 2024).
In Spanish cities, appeared Poaceae peaks concentrations from April to June; Cuenca, Huelva, Granada, Castilla y León community presented moderate concentrations annually (3,500 to 5,000 grains/m3), in Córdoba city the annual average peak: 488 grains/m3. Further, in Madrid, Segovia, Sevilla, Extremadura (Cáceres y Badajoz), Castilla la Mancha (Ciudad Real, Toledo), presented high concentrations annually (> 5,000 grains/m3), in Cáceres city the annual average peaks: was 822 grains/m3, (2021 to 2024).
Olea europaea, peaked from April to June; Andalucía and Extremadura community, In Jaén city the annual average peak was 8,000 grains/m3 (2021 – 2024).
In both countries also found information about Parietaria and Alnus with moderate concentrations, In Lima, A Coruña, San Sebastian cities.
Conclusion
This is the first report comparing aerobiological data from Perú and Spain stations. Poaceae was identified as the most prevalent pollen. In Peruvian cities, the period of high pollens concentration occurred consistently between September to January coinciding with the spring season. In contrast, in Spanish cities the spring season typically occurs between April to June. We hope that this information will enable allergists to provide appropriate recommendations to their allergic patients travelling to any of these cities.
