You can look at the study she's referencing to the interviewer. It's pretty persuasive. Take a look at Figure 1. https://academic.oup.com/cid/article/56/5/705

You can look at the study she's referencing to the interviewer. It's pretty persuasive. Take a look at Figure 1. https://academic.oup.com/cid/article/56/5/705/347767 https://academic.oup.com/cid/article/56/5/705/347767 I'm not saying that the only way to control Salmonella is vaccination, but it is clearly an extremely effective method.