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I really think that as far as we do not have a legit vaccine in place, then there is no healing that's going to happen. Hopefully, Im wrong and we get an alternative solution.
You are right that no alternative solution has been found but I feel it's been possible to stop tons of diseases without vaccines. The front will come under more control.
there are diseases before that can be stop or controlled without vaccine but later on vaccine for those diseases are still created and help lessen the risk of getting it or forming it , also speeds up recovery . same thing happen now where there is no proven vaccine for covid yet but dotors have found an alternative way to treat covid positive patients . it could be in the form of other drugs and medicine . also in the form of social distancing and other strict protocols