I encourage you to read it at
ijmr.org.in/temp/IndianJMe…
Here are key insights for me from this paper
Thus standard Symptom/Screen is going to fail to trace these. Hence we need PPE in community (Mask/Shield/Sanitizer)
From world literature Positivity Rate of Direct contact is around 1% and Household~10%.
In India it is reported as 5.1% . Thus a significant number of direct contact members are in household.
The secondary attack rates also is suggestive of droplet transmission being major mode as airborne mode(measles, chicken pox) leads to 30-50% household Infection rate.
drive.google.com/file/d/1VB_DaN…