10 common diseases that can cause secondary immuno deficiency

[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.

Describe the structure of a monosaccharide and name the three monosaccharides important in nutrition.

Genie’s case illustrates that the brain has critical periods of development and if these periods are missed, the individual is unlikely to develop normally in this area of their life. it really didnt that much but i really appreticate it