Word: subunits
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...first alternative vaccines that researchers came up with were safe, all right; they just didn't work very well. Called subunit vaccines, they depend on noninfectious pieces of HIV to try to trigger immunity. Unfortunately, it now seems apparent that it takes a whole virus to produce a completely effective immune response...
These statistics and many others are contained in the new Mission Handbook, an authoritative volume of data and analysis to be issued this month by a subunit of World Vision, a major evangelical relief agency based in Monrovia, Calif. The data show sizable increases in activity since the last Handbook, published eight years...
...team first constructed an artificial gene that could replace the instructions of a faulty gene subunit that was causing beta thalassemia. When frog egg cells were then injected with both the man-made instructor and the defective genetic material, the fault was corrected. The successful experiment, published in the British journal Nature, marks the first reported time an artificially constructed gene has been successfully used to correct a human genetic defect...