Virus pandémicos

The video discusses the nature of viruses, their ability to invade human cells, and the factors that increase the risk of global infections, such as urbanization and antibiotic misuse. It also touches on the threat of bioterrorism and the hope provided by medical advancements in eradicating diseases like smallpox.

How do viruses typically spread within the human body?

• By using human cells to reproduce and then spreading to other cells

• By directly attacking the immune system

• By consuming nutrients from the host

• By multiplying in the bloodstream

Which of the following is NOT a factor that contributes to the global spread of infections?

• Intensive livestock farming

• Rapid urbanization

• Poor environmental management

• Increased use of public transportation

What is a major consequence of the misuse of antibiotics?

• Improved environmental conditions

• Increased effectiveness of antibiotics

• Development of antibiotic-resistant bacteria and viruses

• Decreased global trade

What is the term used for the deliberate spread of viruses as a weapon?

• Chemical warfare

• Nuclear warfare

• Biological warfare

• Cyber warfare

What gives hope for protection against future global outbreaks?

• The eradication of smallpox

• The development of new antibiotics

• The increase in global trade

• The rise of urbanization