Whooping cough is frequently observed in
A)elderly residents of nursing homes.
B)individuals with compromised immunity.
C)children under 6 months of age.
D)health care providers.
The presence of gram-positive diplococci in a sputum sample most likely indicates an infection of
Which disease causes over 1.6 million deaths per year worldwide,which is approximately 11% of all deaths related to infectious diseases?
Which disease test will show a false positive when immunized with the BCG attenuated virus?