It's important to remember that your immune system is improved by coming in contact with common viruses. This is even more important for kids. There's evidenc

It's important to remember that your immune system is improved by coming in contact with common viruses. This is even more important for kids. There's evidence that people that have been exposed to previous, weaker, coronaviruses are more likely to have mild responses to Covid-19, for example. https://science.sciencemag.org/content/370/6512/89 https://science.sciencemag.org/content/370/6512/89