The norovirus variant was identified in a scientific paper last week. Britain’s health protection agency said genetic testing showed it was now causing more cases in England and Wales than other strains.
Sydney 2012 does not carry worse symptoms than others but, like other norovirus strains, it can cause violent and projectile vomiting, diarrhoea, and sometimes fevers, head-aches, and stomach cramps.
Norovirus cases have risen earlier than expected this winter in Britain, across Europe, Japan, and other parts of the world.
Although norovirus mos-tly causes just a few days of sickness, it is responsible for millions of infections every year and is notorious for its ability to evade control.
In the US, the Centers for Disease Control and Prevention say norovirus causes 21m illnesses a year, with 70,000 cases requiring hospitalisation and about 800 ending in death.
Ian Goodfellow, a scientist who has studied norovirus for 10 years, described it as “the Ferrari of the virus world” and “one of the most infectious viruses of man”.
For every laboratory-confirmed case, scientists estimate there are 288 un-reported cases, since the vast majority of people affected do not go to a doctor.
Norovirus does not usually cause serious illness, but it is very easily spread. People who contract it can be infectious for 48 hours after they recover.
Now that I've recovered from the vomitting bug, it's the son's turn!
The principal symptoms are nausea, vomiting, and diarrhoea and generally begin very suddenly with nausea followed by projectile vomiting.
A little later watery diarrhoea may develop as well. Symptoms will usually last only a day or two but can, occasionally last longer.
In any year at least 1% — and in high activity years up to 5% — of the population can expect to be affected by this virus meaning that between 1,000 and 5,000 people could fall ill with norovirus per week during a busy period.
A New Jersey student who says her parents abandoned her when she turned 18, lost the first round in the lawsuit she filed against them for school costs and living expenses, a case that could set a precedent for a family's obligation to support a child who has left home.
As his girlfriend lay dying, a weeping, praying Oscar Pistorius knelt at her side and struggled in vain to help her breathe by holding two fingers in her clenched mouth, a witness told a South African court.
Ferry and freight services company Irish Continental Group (ICG) has reported a solid set of figures for 2013, but has also noted a slight drop in business in the early part of this year, due to bad weather.
The Ennis Book Club Festival (March 7-9) is a reader's delight. "Other literary festivals are about writing skills and getting published. Our workshops are different. One of our really popular events is called 'Ten Books You Should Read'," says chairperson, Ciana Campbell.
Ryan Tubridy has posed for a new photograph for schoolgirl Sarah Ryan to sketch — after the photographer responsible for the picture on which Sarah's original drawing was based objected to her use of the image.
Alan Shatter has said that 11 out of 12 cases in a dossier of whistleblower claims are 'groundless' on the basis that alleged Garda malpractice had been investigated by the gardaí. But how thorough were these investigations, asks Michael Clifford.
For most Irish sport lovers, probably the most romantic story of 2013 was the All-Ireland senior hurling championship win by Clare, a precocious and mercurial side guided by a precocious and mercurial management team, led by Davy Fitzgerald.