RT Journal Article SR Electronic(1) A1 Singanayagam, Anika A1 Patel, Monika A1 Charlett, Andre A1 Lopez Bernal, Jamie A1 Saliba, Vanessa A1 Ellis, Joanna A1 Ladhani, Shamez A1 Zambon, Maria A1 Gopal, Robin YR 2020 T1 Duration of infectiousness and correlation with RT-PCR cycle threshold values in cases of COVID-19, England, January to May 2020 JF Eurosurveillance VO 25 IS 32 SP 2001483 OP DO https://doi.org/10.2807/1560-7917.ES.2020.25.32.2001483 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2020.25.32.2001483