[nikbackm]

Seems the rubella vaccines have greater efficacy and gives much longer protection (life-long) than the current COVID vaccines though.

[pvaldes]

They had a decade to develop and much more to improve. Nothing prevent us to improve this also.

[wk_end]

There may be hard biological limits to what our vaccines can do. It's certainly possible that vaccines might come along that could let us eradicate SARS-CoV-2; but until they do, that's nothing but wishful thinking.