Bootstrap Icons (@getbootstrap)
Free, high quality, open source icon library

I\u2019ve used 10,000+ Icons in my designs on Twitter.
— Sachin Ramje \U0001f6a2 (@SachinRamje) February 19, 2022
They form the CORE of hyper- visuals\U0001f60d
I\u2019ve literally wasted months discovering the best ones.
BUT you don\u2019t have to.
Here are the 12 best (free) Icon resources for your designs:
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1. From Day 1, SARS-COV-2 was very well adapted to humans .....and transgenic hACE2 Mice
— Billy Bostickson \U0001f3f4\U0001f441&\U0001f441 \U0001f193 (@BillyBostickson) January 30, 2021
"we generated a mouse model expressing hACE2 by using CRISPR/Cas9 knockin technology. In comparison with wild-type C57BL/6 mice, both young & aged hACE2 mice sustained high viral loads... pic.twitter.com/j94XtSkscj
1. High Probability of serial passaging in Transgenic Mice expressing hACE2 in genesis of SARS-COV-2!
— Billy Bostickson \U0001f3f4\U0001f441&\U0001f441 \U0001f193 (@BillyBostickson) January 2, 2021
2 papers:
Human\u2013viral molecular mimicryhttps://t.co/irfH0Zgrve
Molecular Mimicryhttps://t.co/yLQoUtfS6s https://t.co/lsCv2iMEQz