NPR News: Why inventing a vaccine for AIDS is tougher than for COVID

Why inventing a vaccine for AIDS is tougher than for COVID
The 4-decades long effort to create an AIDS vaccine suffered a blow with news that a vaccine in a late stage trial was discontinued because results showed it to be ineffective. What are the obstacles?

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Làm đẹp Blog 247 January 26, 2023 at 07:38PM
Category Science