Salmonella Virchow Outbreak

Complete answers to questions below:
What is the infectious agent (pathogen) that causes this infectious disease? For example, the name of the bacteria, virus, or parasite.
The process of infection can be broken down into stages, each of which can be blocked by different defense mechanisms. In the first stage, a new host is exposed to infectious particles shed by an infected individual. The number, route, mode of transmission, and stability of an infectious agent outside the host determines its infectivity. Some pathogens, such as anthrax, are spread by spores that are highly resistant to heat and drying, while others, such as the human immunodeficiency virus (HIV), are spread only by the exchange of bodily fluids or tissues because they
Additional reports came in rapidly, and by October 9, interviews of ill persons indicated that the source of the developing outbreak was the On the Border restaurant in Vancouver, Washington. On October 9, On the Border temporarily ceased operation. Dr. Alan Melnick, Clark County Health Officer, stated that the closure was “a further precaution to reduce the risk of Salmonella spreading to others.” Meanwhile, health department staff continued to interview employees and patrons of the restaurant to learn more about the precise cause of the outbreak. The health department also continued its work with On the Border employees to make sure that standard control measures—e.g. hand-washing and environmental sanitation—were in place and effective, so that when the restaurant resumed operation it would not pose a continuing threat to the health of its patrons. As of the date of the restaurant’s closure on October 9, there were 11 confirmed and five probable cases of Salmonella Virchow infection linked to the consumption of food at the
You can catch hepatitis A if: You eat or drink food or water that has been contaminated by stools (feces) containing the hepatitis A virus (fruits, vegetables, shellfish, ice, and water are common sources of the hepatitis A virus You come in contact with the stool or blood of a person who currently has the disease, A person with hepatitis, A does not wash his or her hands properly after going to the bathroom and touches other objects or food, You participate in sexual practices that involve oral-anal contact, About 3,600 cases of hepatitis A are reported each year. Because not everyone has symptoms with hepatitis A infection, many more people are infected than are diagnosed or