crash course in herd immunity
https://www.slideshare.net/singh_br1762/r0-value-herd-immunity
SIR model
https://afinetheorem.wordpress.com/2020/03/13/the-simple-economics-of-social-distancing-and-the-coronavirus/
crash course in herd immunity
https://www.slideshare.net/singh_br1762/r0-value-herd-immunity
SIR model
https://afinetheorem.wordpress.com/2020/03/13/the-simple-economics-of-social-distancing-and-the-coronavirus/