SÃO PAULO—Brazil’s decision to suspend trials of an advanced Chinese coronavirus vaccine has raised fears among doctors that politics will delay immunization efforts against a disease that has already claimed the lives of more than 160,000 Brazilians.
Anvisa, the country’s health authority, halted clinical trials Monday of the CoronaVac vaccine, citing a “severe adverse event” that occurred on Oct. 29. Brazil’s President Jair Bolsonaro, who has opposed the Chinese vaccine, took to Facebook to celebrate the move, calling it…