Polio Background Information

Who were the scientists that discovered polio is caused by a virus?

• Karl Landsteiner and Jonas Salk

• Ivar Wickman and Erwin Popper

• Karl Landsteiner and Erwin Popper

• Ivar Wickman and Karl Landsteiner

What device was developed in 1929 to help patients with paralytic polio breathe?

• Iron lung

• Oxygen mask

• Mechanical ventilator

• CPAP machine

What is the primary route through which poliovirus enters the human body?

• Respiratory route

• Fecal-oral route

• Blood transfusion

• Skin contact

Which type of poliovirus was declared eradicated globally in 1999?

• Poliovirus 4

• Poliovirus 3

• Poliovirus 2

• Poliovirus 1

As of 2020, which two countries still reported cases of poliovirus 1?

• India and Nigeria

• Brazil and Peru

• Pakistan and Afghanistan

• Somalia and Ethiopia