National Tuberclosis and
Leprosy Programme (NTLP)
26 March 2021 Slideset updated regularly to include the latest data on the evolution and duration of COVID-19 symptoms and prevalence and duration of natural immunity.
Vreeman RC et al. Journal of the International AIDS Society 2017, 20(Suppl 3):21497 http://www.jiasociety.org/index.php/jias/article/view/21497 | http://dx.doi.org/10.7448/IAS.20.4.21497