Russian and Ukrainian negotiators held a third round of peace talks on Monday in the region of Brest, Belarus near the Polish border. The talks ran for almost three hours.
The messenger RNA (mRNA) from Pfizer’s COVID-19 vaccine is able to enter human liver cells and is converted into DNA, according to Swedish researchers at Lund University.
The U.S. Centers of Disease Control and Prevention (CDC) no longer recommends universal COVID-19 case investigation and contact tracing, instead saying health departments should direct those efforts to specific high-risk settings.