Jochen Schwenk is CEO of Crisis Control Solutions LLC & Schwenk AG, an expert in risk and crisis management for the automotive industry. Risk management is a critical component of daily life and, of ...

WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...