A method of treating a disease or disorder that can benefit from increasing an M2/M1 macrophage ratio in a subject in need thereof is provided. The method comprising: (a) culturing basophils in the presence of IL33 and/or GM-SCF; and (b) administering to the subject a therapeutically effective amount of the basophils following the culturing, thereby treating the disease or disorder that can benefit from increasing an M2/M1 macrophage ratio in the subject.

The present invention concerns Ezrin peptide 1 for use in a method of treating post COVID-19 syndrome.

The present invention relates to Ezrin peptide 1 and/or an analogue thereof for use in a method of treating COVID-19 and for use in a method of treating post COVID-19 syndrome.