Emerging and reemerging infectious diseases are becoming a concern today. Some of these are malaria, TB, and influenza
Emerging infectious diseases are new infections from different microorganisms such as the bird flu, Lyme disease, Ebola hemorrhagic fever, and hantavirus.
a. What do you see as the reasons or causes of these new microorganisms and the reemergence of the older microorganisms?
b. What are the six parts of the chain of infection?
Students' answers should include the following:
a. This can be a broad discussion on the emerging and reemerging microorganisms. There is a list of probable causes in the book. Frequent travel, increase in drug usage for infections, and ecologic changes are some of the possible answers here.
b. Answers should include the following: infectious agent, reservoir, portal of exit, means of transmission, portal of entry, and the host who is susceptible.
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