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ZerosquareLe 10/04/2020 à 16:44
Low antibody levels raise questions about coronavirus reinfection riskSouth China Morning PostScientists in Shanghai say some recovered patients show no signs of the neutralising proteins.


Coronavirus traces found in Massachusetts wastewater at levels far higher than expected
Coronavirus was detected in Massachusetts sewage at higher levels than expected, suggesting there are many more undiagnosed patients than previously known, according to a new study.