Hepatitis A is spread through the contact of human feces.<br />A huge outbreak of "Hepatitis A" occurred in San Diego, California, and brought the ailment to national attention.<br />"Similar outbreaks have continued throughout the country, still largely among the homeless and illicit drug-using population who are most vulnerable to the disease." The Huffington Post<br />Organizations are fighting against outbreaks by creating affordable housing for the homeless and drug users. <br />