A Person Who Contracts One or More Disease-Causing Microorganisms Is

Q11: Meningitis vaccination protects against four of the

Q12: Typhoid fever and cholera are examples of

Q13: _ is a bacterial infection of the

Q14: How does stress affect the body's immune

Q15: _influenza,or bird flu,caused by viruses that occur

Q17: Which type of hepatitis is potentially fatal but

Q18: A(n)_ is any substance that the white

Q19: The antibody-containing portion of blood fluid is

Q20: The spleen,thymus gland,lymph nodes,and lymph vessels are

Q21: Match the items with the appropriate description.<br>-symptoms