April 25, 2020, I have menstruation and I am under more than a month lockdown due to COVID-19 Pandemic. The WHO was confirmed that the COVID-19 is Pandemic just 45 days before? My menstruation commenced just about forty years back. This planet experienced the pandemic since 430 BC, Athens. The menstruation has the longest history of existence, about 4 billion years ago since Home Sapiens evolved in this planet that was the species of modern human beings or us. I am pretty sure that none of the people of this planet do disagree with the idea of menstruation is universe and this planet exists and moves forward due to the presence of menstruation. For details: 

https://www.spotlightnepal.com/2020/04/27/missing-menstruation-amidst-covid-19-pandemic/