Aperson who's morbidly obese
a. is guaranteed to die of a heart attack
b. is carrying so much weight that it's life threatening c no longer has the ability to walk on his own
d. is no longer able to lose weight

What link in the chain of transmission is described in the paragraph? sarah has been eating and sleeping poorly. she was just diagnosed with pneumonia. tests showed the illness was caused by streptococcus pneumoniae. in the chain of transmission, sarah is the (blank) , and streptococcus pneumonia is the (blank).