introduction sphingobacterium multivorum is a gram-negative, nonfermentative bacillus that rarely causes disease in humans. in the medical literature, only a few cases of infections caused by this organism have been reported. almost all the reported cases of this infection were associated with conditions that decrease immunity. case presentation to the best of our knowledge, we are reporting th...

Most antigens, particularly viruses, enter the body through the mucosal epithelia where they are carried by afferent lymphatics to regional lymph nodes for presentation to the immune system. Although they share immunological similarities, immune processes that protect the mucosa are distinct from innate and acquired immunity. The barrier formed by the intestinal mucosa is the most studied, with...

The COVID 19 vaccine provide acquired personal immunity against Coronavirus, its effectiveness is the risk of vaccinated participants compared with unvaccinated, reduces Coronavirus infections, efficacy preventing infections 95%. aim was to prove during first period six months, that approved from WHO for KSA, as well immunization-campaign started at 17/12/2020. So clarify extent impact on prote...