Exploring Jonas Salk's Impact on Polio Vaccination

The polio virus historically caused severe illness, particularly in children. By 1952, Dr. Jonas Salk and his team at the University of Pittsburgh developed a killed virus vaccine to combat polio. Initially, the vaccine was tested on a small group of students in Pittsburgh, but it soon led to a nationwide effort to immunize children. The introduction of Salk's vaccine, followed by Albert Sabin's live vaccine, effectively controlled the spread of polio.

What type of cells does the poliovirus primarily attack?

• Nerve cells

• Muscle cells

• Skin cells

• Blood cells

In what year did Dr. Jonas Salk and his team develop the killed virus vaccine for polio?

• 1971

• 1960

• 1952

• 1945

Where did the initial immunization against polio by Dr. Salk's team take place?

• Chicago

• Los Angeles

• Pittsburgh area

• New York City

Who developed the live polio vaccine?

• Edward Jenner

• Louis Pasteur

• Albert Sabin

• Jonas Salk

What was the outcome of the polio vaccines developed by Salk and Sabin?

• They were only used in the United States

• They were effective in controlling the viral disease

• They caused severe side effects

• They were ineffective