Coronaviruses, enveloped positive single-stranded RNA viruses, have become significant pathogens for humans and other vertebrates since the outbreak of SARS (severe acute respiratory syndrome) in 2002 in China. These viruses could infect the respiratory tract of humans and other animals. The outbreaks of SARS and MERS (Middle East respiratory syndrome), which Bats are thought to be the origin o...

Ellis Van Creveld syndrome or chondroectodermal dysplasia is a rare disease characterized by the triad of postaxial polydactyly, chondrodisplasia of long bones , resulting in acromesomelic dwarfism, and ectodermal dysplasia. In this study , three newborns with this syndrome , consisting of    acromesomelic dwarfism , postaxial bilateral polydactyly , nail hypoplasia...

Abstract Background: Yellow nail syndrome is a rare disease of unknown etiology, presenting with lymphedema, respiratory symptoms and yellow nails. Case Report: We have reported a 10 year-old female who presented with yellow discoloration, thickness and increased convexity of nail cuticles in all fingers and toes. On examination, non-pitting edema was present on both lower limbs. KEYWOR...

Ataxia-telangiectasia syndrome is an autosomal recessive associated with combined immunodeficiency, progressive cerebellum ataxia, telangiectasia, ocolomotor apraxia, dysartheria and respiratory infections. In this study we reported three cases from a family with classical symptoms. Second sibling was died at 13 old years because severe respiratory infection but third and forth siblings have ...

Primary ciliary dyskinesia and Kartagener's syndrome are rare genetic disorders. There is a ciliary dysfunction in these disorders that cause recurrent infections in respiratory and sinus tracts associated with dextrocardia, chronic vasomotor rhinitis and dextrocardia. The aim of this paper is to report two rare cases of Primary ciliary dyskinesia, including one case of primary ciliary dyskin...