Current status and prospects of primary immunodeficiency diseases in Asia.

Primary Immunodeficiency Diseases (PIDs) are increasingly being reported across the World. Several advances have been made in the diagnostic and therapeutic research related to PIDs. With increasing awareness, the field of PIDs has rapidly evolved in Asia as well. In this review, we summarize the progress that has been made in the field of PIDs in Asian countries; major limitations and challenges faced by the clinicians working in this field in Asia; difference in spectrum of PIDs in Asia from rest of the World; current state of diagnostic and treatment facilities available in various countries in Asia and the future prospects of these diseases in the continent.