Strand Therapeutics, co-founded by KI members Darrell Irvine, Ron Weiss, and Weiss Lab alum Jacob Becraft (recently named among Technology Review’s 35 Innovators Under 35), has emerged from stealth with $52 million Series A capital. Strand is developing a platform for creating programmable, self-amplifying mRNA vaccines, and aims to bring its first drug, an immunotherapy for solid tumors, to the clinic in 2022.