Bronchial Challenge in the Diagnosis of Cannabis Allergy.

We have read with great interest the recent review published by Dr. Ebo and collaborators on cannabis allergy. It highlights the difficulties in getting a valid diagnosis because some patients do not admit its consumption, which may not be legalized, there are no commercial extracts and there are problems in cutaneous tests interpretation due to cross-reactivity with other related allergens.

Inhaled corticosteroids may have a protective effect against coronavirus infection.

Background: Spain has been severely affected by the COVID-19 epidemic, with 195,944 persons infected and 20,453 deaths at the time of writing. Older people with respiratory or cardiac conditions are most at risk.

Objective: The aim was to compare respiratory symptoms in nursing home residents and patients with uncontrolled asthma, who are considered vulnerable to COVID-19.

Mastocytosis and the Fig Wasp (Blastophaga psenes).

Background: Mastocytosis involves the abnormal proliferation of mast cells and clinical variability. In the case of anaphylaxis, the triggering antigen, often associated with Hymenoptera allergens, must be identified. The common fig (Ficus carica) requires the fig wasp (Blastophaga psenes) for pollination.