This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
Bacteria is not shed in - 
Select and explain. 
A. Carrier state, B. Latent infection, C. Incubation period, D. Subclinical infection
B: Latent infection
Answer: B: Latent infection 
Explanation: in latent infection the host does not shed the infectious agent which lies dormant within the host without symptoms.and often without demonstrable presence in blood ,tisssues ,or bodily secretions of the host.latent infection occurs in herpes simplex,zinser disease,infections due to slow viruses ,ancylostomiasis,etc.the role of latent infection in the eprpetuation of ceain infections is great. ref:park&;s textbook,ed 22,pg no 92