The immune response in the nasal mucosa to influenza vaccination in 23 patients scheduled for tonsillectomy was studied. A statistically significant increase in influenza virus-specific serum and oral fluid antibodies was observed 7 days after vaccination. The numbers of influenza virus-specific antibody-secreting cells (ASCs) in peripheral blood also increased significantly 1 week after vaccination. The numbers of ASCs in tonsils and nasal mucosa were compared with data from a recent study of nonvaccinated volunteers. The numbers of influenza virus-specific ASCs in tonsils were significantly higher in the vaccinated group, but, surprisingly, there was no significant difference between the groups in the numbers of ASCs in nasal mucosa. This suggests that the influenza virus-specific antibodies detected in oral fluid are not produced locally in the nasal mucosa and may originate from a systemic source, indicating that the vaccination may favor a systemic immune response.

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A series of 95 consecutive patients who have had a polypectomy was investigated with regard to clinical history and the morphology of the polyps. The results were compared with a series of 203 patients with allergy, of whom 12 had been polypectomized. The study revealed that a high percentage of the 95 patients had subjective complaints, particularly nasal congestion, nasal discharge, sneezing, headache, snoring and a loss of smell. The latter was present in nearly 58 % of the patients, and persisted long after the operation in a third of the cases. More than 50 % of the 95 patients had had 3 or more polypectomies. Rather few patients suffered from allergy-like conditions. Eighty-two of the 95 polyps were of the ordinary, oedematous, eosinophilic type; 7 were neutrophilic, fibro-inflammatory; 5 showed pronounced hyperplasia of the seromucinous glands, and 1 was a so-called polyp with atypical stroma. Only 6 % of the 203 patients with allergy had had a polypectomy. Ten of the 12 polyps removed from the series of patients with allergy were of the ordinary type and 2 of the fibro-inflammatory type. A review of the literature is done concerning the association between nasal polyp and different diseases. The results of the present study support the concept that allergy is not the only cause for nasal polyps and that the accumulation of eosinophilic granulocytes observed in most polyps is often not related to allergy.