How to get URL link on X (Twitter) App
https://twitter.com/pjie2/status/1368966997518778378This all started back in March, when the first reports from China came out suggesting that blood type has an influence on your risk of getting Covid19
https://twitter.com/sexgenomics/status/1132138229384093698The story (as with all research) goes back a long way, to some curious observations in the early 90s. At this time, a couple of different groups independently identified mutant strains of mice with a biased sex ratio.