The reference from the text that explains Anne to think that local children’s leukemia might be caused by a virus in the local environment is given below:
"Anne thought it strange three aces of leukemia should occur in the same locality within a few blocks of each other. She wondered if it was a coincidence or if a virus of some sort was circulating."
Leukemia may be defined as a disease that initiates in blood-forming tissue, such as the bone marrow, and causes immense numbers of abnormal blood cells to be delivered and enter the bloodstream.
Therefore, it is well described above.
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