@article{SMBlog:2020-08-13,
	author = {Steven M. Bellovin},
	title = {Covid-19 Vaccinations, Certificates, and Privacy},
	date = {2020-08-13},
	year = {2020},
	month = {August 13,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2020-08/2020-08-13.html},
}