New COVID-19 booster shots are set to be authorized this week by the Food and Drug Administration (FDA) and will be available to most Americans before human testing has even been completed. The shots have been modified to target the latest Omicron variant, but won't have finished testing in humans when the FDA makes the decision. Instead, the FDA is relying on data from other sources - like research in mice and older vaccines, the Wall Street Journal reported. 'Real world evidence from the current mRNA Covid-19 vaccines, which have been administered to millions of individuals, show us that the...