The latest data from the UKHSA has shown a recent rise in measles cases.
Between 1 January and 20 April this year, there have been 49 cases of measles compared to 54 cases being recorded for the whole of 2022.
Most of the cases have been in London with some scattered across the country and some linked to travel abroad.
This data comes as the number of children vaccinated against measles has fallen in recent years.
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Vaccine uptake in England is well below the WHO target of 95% with uptake for the first dose of the MMR vaccine for 2 year olds being 89%.
While, uptake of 2 MMR doses in children aged 5 years is only 85%.
The UKHSA are urging adults to get their children up to date with both doses of the vaccine, especially before travelling abroad this summer.
Dr Vanessa Saliba, consultant epidemiologist at UKHSA said: ‘Vaccines are our best line of defence against diseases like measles, mumps and rubella and help stop outbreaks occurring in the community.
‘During the COVID-19 pandemic we saw a fall in uptake for the routine childhood vaccinations, including MMR which leaves us vulnerable to outbreaks, especially as people travel abroad for summer holidays to places where measles is more common.’
Healthcare professionals have been alerted about the recent rise in cases and have been asked to remain vigilant to further cases while working in communities to increase vaccination uptake.
NHS director of vaccinations and screening, Steve Russell responded to the data with: ‘The MMR vaccine has helped prevent the development of potentially life-threatening illness among millions, and it is clear that when uptake falls, infections rise, so I strongly urge parents to review the status of their child’s vaccinations so they can keep them and others protected from measles, mumps and rubella.’