An 18-year-old male who has recently undergone chemotherapy for leukaemia presents with fever, cough, haemoptysis and shortness of breath not responsive to antibiotics. He underwent a chest CT which revealed a ‘halo’ sign suggestive of invasive aspergillosis. What immune response component is the first line of action against aspergillosis?
Cytokines
Neutrophils
Eosinophils
Basophils
Macrophages