Answers: 2
Health, 22.06.2019 15:20
[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.
Answers: 2
Health, 23.06.2019 04:31
Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.
Answers: 1
Health, 23.06.2019 19:00
Social sciences are the observable facts or events that involve human society. select the best answer from the choices provided t f
Answers: 1
Free points to get follow first¯\_(ツ)_/¯¯\(°_o)/¯...
Mathematics, 15.11.2021 02:50
History, 15.11.2021 02:50
English, 15.11.2021 02:50
Mathematics, 15.11.2021 02:50
Social Studies, 15.11.2021 02:50
Mathematics, 15.11.2021 02:50
Mathematics, 15.11.2021 02:50
Mathematics, 15.11.2021 02:50
Mathematics, 15.11.2021 02:50