Hopes for a COVID-19 vaccine may run in these front-line workers' veins
2020-07-27 from ctvnews.ca
In the corner of a COVID-19 ward in Sao Paulo, Brazil, a woman cleaning the mouth of an intubated patient carries an extraordinary hope for pretty much all of us. Slipping a mouthwash-soaked brush into an elderly woman's mouth, at great personal daily risk, dentist Denise Abranches has something more than courage in her veins.
Abranches was the first of an expected 5,000 Brazilian key workers in the healthcare system to receive a trial coronavirus vaccine from Oxford University and multinational drugmaker AstraZeneca, along with volunteers in the UK and South Africa.
Across the city, frontline medics like her have enrolled in a Phase 3 test of the vaccine's efficacy as they battle the pandemic, which has infected more than 2 million Brazilians. And it isn't just Oxford testing its vaccine in this vast human petri dish. Chinese firm Sinovac began trials last week in Sao Paulo, and US pharma giant Pfizer plans to do so soon, bringing a race among powers to prove their vaccine works first.
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