Understanding Smallpox and Its Eradication

The video explores the history and impact of smallpox, a deadly disease caused by the variola virus. It details the virus's mechanism of infection and the global efforts that led to its eradication, highlighting the role of cowpox in developing vaccines. The video emphasizes the importance of vaccines and the need to remain vigilant against potential future threats.

What was the primary reason for the global effort to combat smallpox?

• It was beneficial to the economy.

• The virus was easy to treat.

• It caused widespread death and blindness.

• It was a minor inconvenience.

How does the variola virus initially infect the human body?

• Through contaminated food

• Through insect bites

• By direct skin contact

• Via small droplets inhaled

What role do dendritic cells play in the immune response to smallpox?

• They produce antibodies.

• They cause inflammation.

• They gather information and seek help.

• They destroy infected cells.

What was the purpose of the practice of variolation?

• To cure smallpox completely

• To provide immunity by using a mild form of the virus

• To spread the disease intentionally

• To eliminate the need for vaccines

Why was cowpox used in the development of the smallpox vaccine?

• It was cheaper than other options.

• It was easier to produce.

• It provided immunity without causing severe disease.

• It was more deadly than smallpox.

What was the key strategy in the global eradication of smallpox?

• Developing new medications

• Isolating infected individuals

• Using insect control measures

• Stopping human transmission

When was smallpox officially declared eradicated?

• 1966

• 1980

• 1977

• 1990

What is the significance of the eradication of smallpox?

• It had no significant impact on public health.

• It was the last disease to be eradicated.

• It led to the discovery of antibiotics.

• It was the first disease eradicated by humans.

Why is it important to remember the history of smallpox and its eradication?

• To increase the cost of vaccines

• To prevent the reawakening of diseases

• To discourage scientific research

• To promote the spread of misinformation

What is the ongoing challenge mentioned in the video regarding diseases?

• Reducing the cost of healthcare

• Ensuring the light of protection doesn't fade

• Developing new forms of entertainment

• Increasing the number of laboratories