Primary immune deficiencies are a heterogeneous group of inherited disorders in which dysfunctions of the immune system cause an enhanced susceptibility to infections. Their frequency is higher in Tunisia and the Maghreb as compared to European and North American countries. Indeed, our population is characterized by a high frequency of consanguineous marriages and this may account for the highe...

COVID-19 infection, a present ravaging disease attributed to a SARS-CoV like illness has brought the world to it knee causing a pandemic, with human-human transmission indexed to be a major source of transmission of this ailment. Alarmingly, this infection based on clinical manifestations has been diagnosed as a virus induced pneumonia with over 5 million cases reckoned at a mortality rate of a...

this experiment was conducted to investigate the effects of four medicinal plants with antibacterial property on immune system and ileum bacteria population of broiler chicks.a total 336 day-old male ross broiler chicks were used in a crd design with 6 treatments and 4 replicates per each treatment. cuminum l, mentha piperita l, achillea l, teucrium polium l, in levels of 1.5, 0.3, 0.2 and 0.2 ...

background : ticks are blood feeder acarians that feed on variety of animals and introduce a wide variety of molecules to their host immune system and some of them may stimulate host immune system to produce antibodies. this study was carried out to detect humoral immune responses following boophilus annulatus infestation. methods: seven cattle were each experimentally infested with 10000 b. an...