Although that theory has been questioned recently, and chickenpox vaccination is being considered: https://www.theguardian.com/society/2021/may/02/the-chickenp

Although that theory has been questioned recently, and chickenpox vaccination is being considered: https://www.theguardian.com/society/2021/may/02/the-chickenpox-party-is-over-as-scientists-call-for-uk-vaccine-rollout https://www.theguardian.com/society/2021/may/02/the-chickenp...