Her sister, Nicole Gross, suffered wounds to both legs and hearing damage and was hospitalized for 33 days.
WSJ: Last Boston Marathon Bombing Patient, Erika Brannock, Released From Hospital
One girl apparently close to the shotgun blast was taken to a hospital with hearing damage, authorities said.
In October 2008, the European Commission warned that listening to personal music players at a high volume over a sustained period could lead to permanent hearing damage.
Sound more than 140 decibels, he warns, can permanently damage hearing after one exposure.
Those who survive might suffer serious complications including brain damage and hearing loss.
"But we're still worried about his hearing and how much damage the bacteria did to his lungs, " his mom said.
However, expert witness Dr Jean Keeling told the hearing on Wednesday that damage to the baby's heart, brain and lungs was evidence of a lack of oxygen caused by interference with his breathing.
BBC: NEWS | UK | Northern Ireland | Baby 'was starved of oxygen'
Russian enthusiasts stage the 1812 Battle of Borodino every year, predictably punishing Napoleon every time. (One of them fired the blanks in his gunpowder pistol close enough to CNN correspondent Ivan Watson to damage his hearing).
Some preliminary data suggest that people can do damage to their hearing with portable audio devices such as iPods, experts said, but more research needs to be done.
CNN: Men, convertible drivers at higher risk for hearing loss
The logic seems inevitable: If an NFL disability board decided 12 years ago after a contested hearing that concussions cause serious damage, the NFL should be legally required to admit now and forever that concussions cause serious damage.
FORBES: CTE Research, NFL's Financial Headache, and Tobacco Industry
But Mr Trimble, upon hearing about the blast, rushed to Markethill to survey the damage.
Thornton, who admitted offences at an earlier hearing, was jailed for 18 weeks for assault and criminal damage.
Testimony from the hearing's two remaining witnesses focused on the economic impact of immigration reform, and whether it would damage job and wage prospects for citizens on the lower rungs of the economic ladder.
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