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Year into the pandemic, the coronavirus is messing with our minds and our bodies
Stanford professor suggests entrepreneurial approach to develop herd immunity against COVID-19; certified survivors can help those at risk out of lockdown
Can those who test negative still spread COVID-19?
Singapore scientists track genetic changes to speed up testing for coronavirus vaccines
Unknown number of asymptomatic coronavirus carriers in China raises concerns of second wave
Number of known asymptomatic cases is classified, and not included in official data but sources say it could be more than 40,000.
