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Strep A bacteria kill half a million a year. Why don’t we have a vaccine?
... screen. The devices, Beaton and colleagues found in a 2015 study, are over four times better than stethoscopes at detecting ... to his mum. Crouching in front of them, she delivers the news: Steven has signs of early rheumatic heart disease. “It is a very ...
admin - 18/02/2019 - 2:17pm