MMR jab could slash severe asthma attacks

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MMR jab could slash severe asthma attacks: Hospital admissions for life-threatening episodes are 27% lower in vaccinated youngsters Potentially life-threatening asthma attacks 27% lower in vaccinated children  Study in Denmark found jab slashed number of kids who develop asthma by 10% More than 5m people have asthma in UK and the condition kills three each day

By Pat Hagan for MailOnline

Published: 10:08 BST, 15 May 2019 | Updated: 10:09 BST, 15 May 2019


The MMR jab given to thousands of children every year could slash severe asthma attacks by more than a quarter, a study shows.

Hospital admissions for potentially life-threatening asthma episodes were 27 per cent lower in vaccinated youngsters than those not given the jab.

The vaccine, which protects against measles, mumps and rubella, also reduces the number of children who develop asthma in the first place by about 10 per cent, researchers found.

The MMR jab could slash asthma attacks by 27 per cent and prevent one in ten children ever developing the condition, research suggests

The MMR jab could slash asthma attacks by 27 per cent and prevent one in ten children ever developing the condition, research suggests

A team of experts at the University of Copenhagen in Denmark, in one of the biggest studies of its kind, analysed data from more than 300,000 children born between 1999 and 2006.

They looked at how many youngsters went on to develop asthma and compared the results with whether they'd been immunised against measles.

The findings, in the International Journal of Epidemiology, showed the vaccine appeared to reduce overall asthma rates by about 10 per cent and the number of cases of severe asthma that resulted in emergency hospital treatment by 27 per cent.

However, the benefits were only seen in boys and not girls – a result scientists are at a loss to explain.


Vaccinations for various unpleasant and deadly diseases are given free on the NHS to children and teenagers.

Here is a list of all the jabs someone should have by the age of 18 to make sure they and others across the country are protected:

Eight weeks old

6-in-1 vaccine for diphtheria, tetanus, whooping cough, polio, Haemophilus influenzae type b (Hib), and hepatitis B. Pneumococcal (PCV) Rotavirus Meningitis B 

12 weeks old

Second doses of 6-in-1 and Rotavirus 

16 weeks old

Third dose of 6-in-1 Second doses of PCV and men. B 

One year old 

Hib/meningitis C Measles, mumps and rubella (MMR) Third dose of PCV and meningitis B 

Two to eight years old

Annual children's flu vaccine

Three years, four months old

Second dose of MMR 4-in-1 pre-school booster for diptheria, tetanus, polio and whooping cough

12-13 years old (girls)

HPV (two doses within a year)

14 years old

3-in-1 teenage booster for diptheria, tetanus and polio MenACWY  

 Source: NHS Choices

Researchers admit they do not yet know why the jab seems to have a protective effect for the lungs.

However, some previous studies have suggested catching measles itself can reduce the chances of getting asthma.

Since the MMR vaccine contains a small amount of the live measles virus, it is possible it is mimicking the effects of the disease itself.

In a report on the findings researchers said: 'Live vaccines may have beneficial effects.

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