One won't know they are infected till symptoms appear and then take measures such as a cide to get relief. Perhaps a patch one wears continually, day in and day out would do the trick and zap the virus before any symptoms appeared. To cover all the possible viral attacks one might look like a patchwork quilt covered from head to toe in patches!! I AM joking but not completely - I can see a single patch might be possible containing MANY cides to ward off just as many viral attempts at infection. The patch might work for 30 days and then be replaced with a fresh one. Repeat sales!!!
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