European shares fall on inflation, pandemic woes

European shares fell on Wednesday as worries about rising inflation and the Delta variant of the novel coronavirus hit economically sensitive sectors, even as technology stocks tracked an overnight surge in their U.S. peers.

Top scientists question the need for COVID-19 booster shots

COVID-19 vaccine developers are making ever bolder assertions that the world will need yearly booster shots, or new vaccines to tackle concerning coronavirus variants, but some scientists question when, or whether, such shots will be needed. In interviews with Reuters, more than a dozen influential infectious disease and vaccine development experts said there is growing […]