article_snippet: And when each one failed we'd pin we hopes on the next.
article_snippet: But we had six goes and none of them were successful. '
article_snippet: none greater than what we currently face. '
article_snippet: our initial failures did not alarm our, our panic did not begin until our'd been trying several years. '
article_snippet: our needed to try harder but nothing worked. '
article_snippet: We did hundreds of tests and hundreds of tests were always negative.