Modes of Transmission Please match the correct mode of transmission to the correct
definition
Choose...
This occurs when microorganisms are
transferred from one infected person
directly into another person.
Infected blood is introduced directly
into your body through a piercing
wound like maybe a needle-stick or
some type of sharp jagged glass that
has blood on it
Transfer of an infectious agent through
a contaminated object or person.
Choose
.
Choose.
.
Droplets or small particles contain
infectious agents that remain effective
over time and distance in the air
Airborne transmission

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

When you have proper posture, your back is arched. a. true b. false

Ways to when your friend is going through social isolation?