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Jeywellan Ochieng, 2, reacts after receiving the vaccine against Malaria as she is held by her mother Julliet Achieng at the Yala Sub County Hospital Mother and Child Healthcare (MCH) clinic in Gem, Siaya County, Kenya October 7, 2021. REUTERS/James Keyi

2021 in review: World’s first malaria vaccine is approved

15 December 2021

October saw the RTS,S malaria vaccine given the go-ahead for use outside trials for the first time – a momentous decision, decades in the making

A sign warns people of measles

2019 saw the tragic and unnecessary return of measles in the US

18 December 2019

Once deemed a problem of the past in rich nations, the deadly infection has made a huge comeback, reports Chelsea Whyte

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