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Communicable Diseases Video Lecture | Science Curiosity Class 8 - New NCERT

FAQs on Communicable Diseases Video Lecture - Science Curiosity Class 8 - New NCERT

1. What are communicable diseases and how do they spread?

Ans.Communicable diseases, also known as infectious diseases, are illnesses caused by pathogens such as bacteria, viruses, fungi, or parasites that can be transmitted from one person to another. They can spread through various routes, including direct contact with an infected person, respiratory droplets from coughs or sneezes, contaminated food or water, and vector-borne transmission through insects like mosquitoes or ticks.

2. What are some common examples of communicable diseases?

Ans.Common examples of communicable diseases include influenza (the flu), tuberculosis (TB), HIV/AIDS, hepatitis, measles, and COVID-19. Each of these diseases has specific modes of transmission and varying degrees of contagiousness, which can affect how easily they spread within populations.

3. What are the primary methods for preventing communicable diseases?

Ans.Prevention of communicable diseases typically involves vaccination, practicing good hygiene (such as handwashing), using barriers like condoms, and implementing public health measures like quarantine and isolation during outbreaks. Vaccines are particularly effective in preventing diseases like measles and influenza, while proper sanitation helps reduce the spread of pathogens.

4. How do public health organizations respond to outbreaks of communicable diseases?

Ans.Public health organizations respond to outbreaks of communicable diseases by conducting surveillance to identify cases, implementing control measures such as vaccination campaigns and education, and coordinating with healthcare providers to manage and treat affected individuals. They also communicate with the public to provide guidance on prevention and treatment options during outbreaks.

5. Why is it important to understand the impact of communicable diseases on global health?

Ans.Understanding the impact of communicable diseases on global health is crucial because they can lead to significant morbidity and mortality, particularly in vulnerable populations. They can overwhelm healthcare systems, disrupt economies, and hinder social progress. By studying their effects, policymakers can devise effective strategies for prevention, control, and response, ultimately improving public health outcomes worldwide.

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Oct 01, 2025 Last updated

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	Science Curiosity Class 8 - New NCERT 59 videos\|235 docs\|13 tests

Science Curiosity Class 8 - New NCERT

59 videos|235 docs|13 tests

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