The board of directors of Malaysian firm Top Glove Corp, the world's largest maker of medical-grade gloves, has failed egregiously in protecting its workers from Covid-19, US investor BlackRock said, calling for its removal.

The comments from the world's biggest asset manager come after Top Glove saw an extensive coronavirus outbreak among its workers late last year. More than 5,000 foreign workers were infected and one died in what became Malaysia's biggest cluster...