Question

no vaccine for human use in AIDS is available .Why ?​

Answer 1

Answer:

Explanation:

Confronted with the recent high-profile failures of several clinical trials of promising candidate vaccines against HIV, many scientists have all but given up hope of producing a human-ready vaccine within the next decade. In this review I contend that although the scientific obstacles remain formidable, the economic challenges are just as real. The groundwork will be laid for a major scientific breakthrough in vaccine development only when there are new contractual structures that enhance private incentives for vaccine development; when we have clearly specified the rights to the profitable North American market; when we have established a system of liability protection for vaccine side effects; and when our clinical trials also test the behavioral consequences of vaccination.

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Answer 2

Explanation:

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