Unwritten rules that govern your social behavior on the field are called: a. sportsmanship b. fair play c. being a decent individual d. all the above

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).