“…The evidence for the presence of infection in asthma is mainly based on clinical findings of fever, leucocytosis and sometimes patchy consolidation in the lungs. Most descriptions of ihe treatment of asthma include detail on the antibiotic recommended (Eisen, 1969). The microbiological evidence for infection is small and mainly concerned with bacterial allergy, which has protagonists (Eisen & Bacal, 1967;Hampton, Johnson & Galaktos, 1963;Crump, 1954) and disbelievers (Aas et al, 1963;Fontana ('/ al., 1965).…”