Pathogenic E. coli strains use a multi-step scheme of pathogenesis that is similar to that used by other mucosal pathogens, which consists of colonization of a mucosal site, evasion of host defences, multiplication and host damage.
Research suggests that autism can be reliably diagnosed by age 2, but this study found that fewer than half of children with autism are diagnosed by age 5. Autism is a complex neurodevelopmental disorder that affects as many as 1 in 88 U.S. children, according to the U.S. Centers for Disease Control and Prevention.
1 Autism prevalence figures are growing. 2  More children will be diagnosed with autism this year than with AIDS, diabetes & cancer combined. 3  An estimated 1 out of 42 boys and 1 in 189 girls are diagnosed with autism in the United States.