Why has the world seen an 80 per cent surge in measles cases?

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The World Has Experienced an 80 Per Cent Surge in Measles Cases Due to Disruptions in Vaccination Campaigns

The global surge in measles cases, which has seen an increase of nearly 80 per cent this year, is primarily attributed to the significant interruptions in routine vaccination campaigns caused by the coronavirus pandemic. These disruptions have created a critical situation, potentially endangering millions of children by creating a "perfect storm" of vulnerability to preventable diseases. The alarming rise in measles, a highly contagious illness, serves as a stark warning sign for potential outbreaks of other diseases.
Measles Cases Have Significantly Increased Globally

In the first two months of this year, over 17,300 measles cases were reported worldwide, a substantial rise compared to approximately 9,600 cases during the same period last year. This trend has been accompanied by 21 large and disruptive measles outbreaks over the past 12 months, with the majority concentrated in Africa and the eastern Mediterranean regions. Measles, described as the "most contagious vaccine-preventable disease," acts as an indicator of broader weaknesses within immunisation systems.
COVID-19 Pandemic Disrupted Essential Immunisation Services

The COVID-19 pandemic has severely impacted global health infrastructure, leading to the postponement of numerous vaccination campaigns for diseases other than COVID-19. In 2020 alone, more than 23 million children missed out on essential routine vaccinations, the highest number in over a decade. Furthermore, 57 vaccination campaigns across 43 countries, initially delayed at the pandemic's onset, had not yet been completed, affecting an estimated 203 million individuals, predominantly children.
Fragile Healthcare Systems and Conflict Zones Are Most at Risk

Countries with already strained healthcare systems are facing heightened concerns regarding potential disease surges. Somalia has reported the highest number of measles cases in the last year, exceeding 9,000, with other nations like Yemen, Afghanistan, Nigeria, and Ethiopia also experiencing high case numbers, often exacerbated by ongoing conflict. The ongoing war in Ukraine also raises fears of a measles resurgence in the region, given its previous high infection rates.
Long-Term Consequences of Immunisation Service Disruptions

The long-term ramifications of these disruptions to immunisation services are expected to be felt for decades. The diversion of healthcare resources and attention towards the COVID-19 pandemic has put immense pressure on facilities and personnel, diverting focus from other critical vaccinations. Experts emphasize the need to prioritise childhood immunisation at a level comparable to the completion of COVID-19 vaccination efforts to avert a more widespread public health crisis.

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Why has the world seen an 80 per cent surge in measles cases?

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