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Did you reply to yourself? Why?

Hackernews comments can only be edited for a few minutes after posting them. If you have a change of heart two hours later, replying is one way to update future readers.


> Oddly, this wasn't true for every flu vaccine. Some vaccines contain chemicals that enhance the immune system's memory, promoting the formation of a long-term response to pathogens (called adjuvants). When a vaccine containing one of these chemicals was used, the immune system wasn't stimulated to limit the tumors' growth.

I didn’t have a change of heart. It says that in the article, near the bottom. People downvote weird shit here.

Oh, you were commenting on the downvotes. When you made that comment, you hadn't been greyed out so it wasn't obvious.

Commenting on downvotes is against HN policy.

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