What questions must scientist answer to fully understand the 1918 flu pandemic?

Scientists are still working to fully understand the 1918 flu pandemic. Some of the questions that they are still trying to answer include:

* What was the origin of the virus? The exact origin of the 1918 flu virus is still unknown. However, some scientists believe that it may have originated in birds or pigs.

* How did the virus spread so quickly? The 1918 flu pandemic spread very quickly around the world, infecting an estimated 500 million people. Scientists are still trying to understand how the virus was able to spread so quickly.

* What made the virus so deadly? The 1918 flu pandemic was one of the deadliest pandemics in history, killing an estimated 50-100 million people. Scientists are still trying to understand what made the virus so deadly.

* What were the long-term effects of the pandemic? The 1918 flu pandemic had a significant impact on the world, both in terms of public health and the economy. Scientists are still studying the long-term effects of the pandemic.

By answering these questions, scientists can gain a better understanding of the 1918 flu pandemic and help prevent future pandemics.