Bill Gates says COVID-19 vaccines are 'missing two key things'

Bill Gates, who donated $1.75 billion to COVID-19 vaccine development and fighting the pandemic, said this week that while the currently available vaccines prevent severe illness and death, they aren't durable enough and should be better at preventing infection. The Microsoft founder, whose net worth Forbes pegs at $135.9 billion, made the comments in a Twitter discussion with Devi Sridhar, the chair of global public health at the University of Edinburgh Medical School.-- More...