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As millions of holidaymakers prepare for summer travel across Europe, health officials are urging families to stay alert as measles cases continue to increase in several of the continent's most popular tourist destinations.
Measles remains one of the most contagious viral diseases known to medicine. While vaccination has dramatically reduced infections over the past decades, falling immunisation rates and recent outbreaks have allowed the virus to spread once again in several countries.
Travellers planning visits to destinations such as France, Spain, Italy, Germany, Romania, and Bulgaria should be aware of the latest public health advice and ensure they are fully vaccinated before departure.
Recent surveillance data from European health authorities shows that measles activity has risen significantly during 2026.
Several countries that attract millions of international visitors each year have reported noticeable increases in confirmed cases. Although monthly case numbers have declined slightly in some locations after earlier peaks, public health experts continue to monitor the situation closely.
Among the countries reporting the highest number of infections this year are:
Health authorities warn that international travel can contribute to the spread of measles, particularly among people who have not received the recommended vaccinations.
Although attention has focused on outbreaks across mainland Europe, the United Kingdom is also reporting a substantial number of measles infections.
According to official figures from the UK Health Security Agency, hundreds of confirmed cases have been recorded during the first half of 2026, making the UK one of Europe's most affected countries.
Earlier this year, the UK also lost its measles elimination status after sustained community transmission. This designation is only maintained when cases remain rare, are mainly imported, and outbreaks are rapidly contained.
Public health experts say declining vaccination rates have played an important role in the resurgence.
Measles is exceptionally infectious.
A single infected person can pass the virus to around nine out of every ten unvaccinated people who come into close contact with them.
The virus spreads through tiny droplets released into the air when an infected person coughs, sneezes, or breathes. These droplets can remain in the air or on surfaces for a period of time, making transmission remarkably easy in enclosed spaces such as airports, hotels, public transport, schools, and shopping centres.
Because symptoms often appear several days after infection, people may unknowingly spread the virus before realising they are ill.
Recognising the early warning signs can help people seek medical advice promptly and reduce further spread.
Common symptoms include:
Another distinctive early sign is the appearance of tiny greyish-white spots inside the mouth, often developing before the characteristic skin rash.
A measles rash usually develops a few days after the first symptoms.
It typically begins on the face or behind the ears before spreading across the neck, chest, arms, and legs.
The rash often appears as red or brown blotches that may merge into larger patches. On darker skin tones, the rash can be more difficult to identify, making other symptoms equally important to recognise.
Although many people recover completely, measles is not simply a childhood illness.
The infection can cause severe complications, particularly in young children, pregnant women, older adults, and people with weakened immune systems.
Possible complications include:
In rare cases, measles can be fatal.
Health experts estimate that a significant proportion of infected children require hospital treatment, while some develop life-threatening complications.
Medical experts continue to emphasise that vaccination is the most effective defence against measles.
Two doses of the Measles, Mumps and Rubella (MMR) vaccine provide approximately 99 percent protection against infection.
To achieve community protection and prevent widespread outbreaks, around 95 percent of the population should be vaccinated. However, vaccination rates have fallen below this target in several countries, allowing outbreaks to occur more frequently.
Parents are encouraged to ensure children receive both recommended doses according to national vaccination schedules. Adults who missed vaccination during childhood may also be eligible for catch-up immunisation.
Anyone planning international travel should check their vaccination status before leaving home.
Health authorities recommend travellers:
Families travelling with young children should take extra care, particularly when visiting areas experiencing active outbreaks.
Experts believe several factors have contributed to the recent increase in measles cases.
Disruptions to childhood vaccination programmes during recent years, vaccine hesitancy, international travel, and declining routine immunisation coverage have all increased the risk of outbreaks.
Health agencies across Europe continue to encourage countries to strengthen vaccination programmes and identify individuals who have missed routine immunisations.
Maintaining high vaccine coverage remains essential to reducing transmission and protecting vulnerable members of society who cannot receive vaccines for medical reasons.
Measles is entirely preventable through vaccination, yet it continues to cause outbreaks across Europe as immunisation rates decline.
Travellers heading abroad this summer should take a few simple precautions before departure, including checking their vaccination records and understanding the symptoms of infection.
Early recognition, prompt medical advice, and maintaining recommended vaccination schedules remain the most effective ways to reduce the spread of this highly contagious disease and protect both individuals and communities.
This article is intended for informational and educational purposes only and should not be considered medical advice. Information may change as new public health data becomes available. If you develop symptoms of measles, believe you have been exposed to the virus, or have concerns about your vaccination status, consult a qualified healthcare professional or your local public health authority promptly.