We still don't have one for the common cold, people have been trying for decades. https://www.scientificamerican.com/article/why-havent-we-cured-the-common-col

We still don't have one for the common cold, people have been trying for decades. https://www.scientificamerican.com/article/why-havent-we-cured-the-common-cold-yet/ https://www.scientificamerican.com/article/why-havent-we-cur...