The most serious type of allergic reaction is
a. atrial fibrillation.
b. psoriasis.
c. anaphylaxis.
d. lupus.

Aperson charged with dui is often viewed by society as reckless and selfish the record of the offense stays on their driving record

[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.

Based on the chart, what are the three most effective methods to protect against pregnancy?