A true directed evolution process is distinct from a simpler set of experiments in which a protein is diversified into a collection (or 'library') of mutants, which are screened or selected. The ...

However, the researchers also found that countries where poultry are vaccinated against H5 bird flu—specifically China—saw a faster rate of viral evolution compared to those where poultry is ...

Nanoparticles have revolutionized the delivery of mRNA vaccines and treatments ... considerations and created a methodical, “directed chemical evolution” procedure. Through five cycles ...

President Joe Biden on April 6 directed that states make every adult eligible for a coronavirus vaccine by April 19, nearly two weeks earlier than his original directive, which was set for May 1.