As a result, C. burnetii can cause infection through contaminated milk, or when humans come into contact with the fluids or tissues produced when a cow or sheep gives birth
Q fever is diagnosed by demonstrating that the patient's immune system is making increasing numbers of antibodies (special immune cells) against markers (antigens) that are found on C. burnetii.
From www.ehow.com
Typhoid is spread when you ingest food and water that has been contaminated with human waste containing the bacterium salmonella typhi. Some 12.5 million people worldwide contract...