Human genes can produce immunity from AIDS with time. American scientists came to this conclusion.

Research workers think people got ability for adapt themselves to dreadful diseases as far back as Middle Ages when there was epidemic of bubonic plague in Europe. It turned out that immunity producing concerned with CCR5 gene.

But some scientists say mutation that could help a man to be cured of AIDS without assistance is matter of luck in many respects, the magazine New Scientist reported.
sections: Nature & Health, World News