She said the donation center was getting about 1,500 calls a day, compared with the usual 200.
Because of a misperception that donation centers had more blood than they needed, donations since November have been far lower than normal, according to the center.
By May 6, donation centers and phone banks were being established to create funds for victims of the tornadoes.
Since then, one sees signs at donation centers begging for blood because of a shortage of donors.
Professional donation centers use sterile and safe practices.
Some simply suspect the hygiene at donation centers and overall, and there is no ethic of giving blood to strangers.
On May 31, national aid started to be deployed by the government and donation centers for victims of the storm were opened across the country.
Cowtown also served as the donation center for used bicycles at this event.
Among other precautions, he ordered his operatives in London to monitor the price paid for blood at donation centers as a probable early warning sign.
In 2006, the donation center was opened.