This Week In Wellness scientists from Harvard University have advised couples to wear masks whilst having sex and suggests they should be advised to engage in sexual activity via telephone, video chat services or masturbation in order to reduce there risk of spreading the corona virus.

https://www.mirror.co.uk/science/couples-should-wear-masks-having-22123980

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7233185/

https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2765654?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=050720