Then in July came foot-and-mouth, a highly contagious virus that affects cows, sheep and pigs.
Measles is a highly contagious disease characterised by a high fever and a rash.
Peaks in cases of the highly contagious disease cycle every two to five years.
Do not under any circumstances approach these people as their listlessness is highly contagious.
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Norovirus is highly contagious and outbreaks spread quickly in places like hospitals and nursing homes.
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The Norwalk bug is highly contagious and causes vomiting and stomach upsets, but is not life-threatening.
"It's highly contagious and we only have one tool in the box and that's immunisation, " he said.
Norovirus is highly contagious, and outbreaks spread quickly around closed communities, such as hospitals and nursing homes.
The virus is highly contagious and spreads through the faecal-oral route - via contaminated water or food.
Measles is a highly contagious infectious disease characterised by a high fever, a rash and generally feeling unwell.
The highly contagious infection inflames the liver and limits its ability to function.
Smallpox is highly contagious once a victim breaks out in the characteristic rash.
It's been going around for nearly a century and it's still highly contagious.
Pertussis, or whooping cough, is a highly contagious disease caused by bacteria that can lead to severe upper respiratory infections.
Whooping cough is a highly contagious disease that can strike people of any age but is most dangerous to children.
They are more vulnerable to the severe effects of the flu or come into contact more often with this highly contagious virus.
Cholera is a highly contagious disease that causes severe diarrhea and vomiting.
It is highly contagious and can lead to severe dehydration and death.
The advice to parents is clear: the disease, though usually mild, is highly contagious, so children should be kept away from crowded places.
Dr Hussey said whooping cough can be treated successfully with antibiotics and most people make a full recovery, but it is highly contagious.
He said measles is highly contagious and could have dangerous consequences.
Whooping cough is highly contagious and spread through coughing and sneezing.
Hospitals will be overrun with sick highly contagious people whom they cannot help and existing patients needing operations, dialysis or help with complicated childbirth will suffer.
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Falk Huettmann, a wildlife ecologist at the University of Alaska's Fairbanks campus, uses ESRI software to track the spread of the highly contagious H5N1 bird flu virus.
Molluscum contagiousum is highly contagious and easily spread through skin-to-skin contact with someone who is infected or by touching contaminated objects such as a flannel or towel.
The highly contagious virus can be spread by contact with contaminated surfaces or objects, contact with a person who has the infection or through contaminated food and water.
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In 2006 researchers from the Hebrew University in Israel isolated a variant of the virus that causes Newcastle disease, a highly contagious disease in birds that can kill.
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"We know that measles is highly contagious - it spreads from person to person very easily, " Dr Rhianwen Stiff, PHW speciality registrar in public health told BBC Radio Cymru.
Despite this, PHW said large numbers of people aged 10-18 years still have not had a jab which could prevent them from contracting measles, a highly contagious and potentially fatal disease.
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The highly contagious virus can be carried by the wind, on the soles of shoes or on the wheels of cars, and the British countryside has become a virtual no-go area.
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