Chronic granulomatous disease (CGD) is a rare inherited immune deficiency caused due to a random mutation in the DNA. People affected with this disease have weakened immune systems which do not function properly. CGD is of two types, namely, X-linked CGD and autosomal recessive type. According to The Chronic Granulomatous Disorder Society, about 60% of people with CGD have X-linked CGD. People with CGD generally have bacterial infections including Salmonella, Klebsiella, Actinomyces, Streptococcus, Nocardia, and Serratia among others. Moreover, fungal infections such as Aspergillus fumigatus and Aspergillus nidulans are also common. The rising prevalence of rare diseases, growing expenditure on healthcare sector in the developed economies, and increasing research and development activities are expected to drive the growth of the market over the forecast period. On the other hand, the expensive diagnostic tests and treatment coupled with lack of awareness about the disease in the develo