The Deadliest Flu Season in History?

The video explores the 1918 flu pandemic, its symptoms, and its global impact. It explains the influenza virus's structure, how it mutates, and the concepts of antigenic drift and shift. The video also discusses modern risks of flu pandemics and the importance of global cooperation and vaccine development to prevent future outbreaks.

What was a significant consequence of the 1918 flu pandemic in the United States?

• Increase in birth rates

• Improvement in public health infrastructure

• Decrease in average lifespan

• Rise in employment rates

What are the proteins on the influenza virus that determine its infectivity and ability to spread?

• H and N proteins

• A and B proteins

• C and D proteins

• X and Y proteins

Why do we need a new flu vaccine every year?

• The flu virus is eradicated annually

• The flu virus is only seasonal

• The flu vaccine expires quickly

• The flu virus mutates frequently

What was one of the key genetic features of the 1918 flu that made it so deadly?

• It was resistant to all known treatments

• It replicated much faster than modern flus

• It could only infect animals

• It had a longer incubation period

What is a major factor that could lead to a future flu pandemic?

• Widespread vaccination

• Increased global travel

• Decreased human population

• Improved sanitation

What is the goal of developing a universal flu vaccine?

• To eliminate the need for any vaccines

• To cure the flu after infection

• To protect against all strains of the flu

• To make the flu virus extinct

What is necessary to effectively contain a flu pandemic?

• Global cooperation

• Seasonal weather changes

• Local government intervention

• Individual immunity