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Why are measles outbreaks increasing worldwide?
Measles outbreaks are rising globally mainly because of declining vaccination rates caused by pandemic-related disruptions, misinformation, and fragile health systems. Many countries experienced interruptions in immunization services during COVID-19, leading to immunity gaps that the virus is now exploiting to spread again.
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What are the main causes of the resurgence?
The resurgence is driven by several factors, including reduced vaccination coverage below the 95% threshold needed for herd immunity, misinformation about vaccines, and weakened health infrastructure. Conflict zones and vulnerable communities are especially affected, making it easier for measles to spread.
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How can vaccination efforts help stop the spread?
Vaccination is the most effective way to prevent measles outbreaks. Increasing immunization coverage through targeted campaigns, especially in high-risk areas, can close immunity gaps. WHO's 'Big Catch-Up' campaign aims to boost vaccination rates worldwide and prevent further outbreaks.
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What should parents and governments do now?
Parents should ensure their children are up-to-date with the MMR vaccine. Governments need to prioritize immunization programs, combat misinformation, and strengthen healthcare systems to maintain high vaccination coverage. Urgent action is essential to prevent a return to endemic measles transmission.
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Is measles still a threat in developed countries?
Yes, measles remains a threat even in developed nations, especially where vaccination rates have fallen. Outbreaks can occur when immunity gaps exist, highlighting the importance of maintaining high vaccination coverage everywhere.
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How does the COVID-19 pandemic relate to the measles resurgence?
The COVID-19 pandemic disrupted routine immunization services worldwide, leading to decreased vaccination rates. This created immunity gaps that have allowed measles to resurface in many regions, reversing years of progress toward elimination.