Diphtheria outbreaks, though very rare, still occur worldwide, in the developed and developing countries. Diphtheria has high mortality in non-vaccinated populations. Corynebacterium diphtheria produce very potent toxin when infected with a bacteriophage that migrates the toxin-encoding genetic elements into bacteria. The R domain binds to a cell surface receptor, permitting the toxin to ent…
Gastric cancer (GC) is the most common cancer with high mortality worldwide.Highrate of GC deaths reported in China, Japan, and Korea. There are 56% new cases from Eastern Asia,41% from China,and11% from Japan. The common causes of GC include Helicobacter pylori infection which accounts for 60% of cases, pickled vegetables, smoking, alcohol intake and genetics. GC is often asymptomatic or nonsp…