Figure 4: Test done for COVID-19 per million population in different countries (as on 29th March)[39]
![Figure 4: Test done for COVID-19 per million population in different countries (as on 29<sup>th</sup> March)<sup>[39]</sup>](articles/2020/68/5/images/IndianJOphthalmol_2020_68_5_703_282901_f4.jpg)