Tanzanian Vice President Samia Suluhu Hassan was sworn in Friday as the country’s first female president, two days after the death of President John Magufuli, one of Africa’s most prominent Covid-19 skeptics, was announced.Tanzanian Vice President Samia Suluhu Hassan was sworn in Friday as the country’s first female president, two days after the death of President John Magufuli, one of Africa’s most prominent Covid-19 skeptics, was announced.