A student with a common cold sneezes onto a facial tissue, throws it into a wastepaper basket, but misses, and the tissue falls onto the floor. A custodian walks by, picks up the tissue, throws it in the basket and then rubs his nose with his fingers later. A few days later the custodian develops the symptoms of common cold. Which of the following is NOT CORRECT? a. the student is a reservoir
b. the tissue is a fomite
c. the custodian acquired the cold via indirect
d. contact the portal of entry for the custodian was the nose
e. this is an example of droplet transmission