Monthly Archives: February 2021

What to do when a colleague is tested covid positive ? A. The people who are thus exposed are called Contacts. Contacts are two type. 1. High Risk Contact–Anyone in close proximity ( < 1 meter) of a positive case without precautions ( Mask etc.., sanitiser) for a significant time ( 30 min). 2. LowContinue reading “Revisiting Covid definitions”

There is this Kent strain from UK. There is the South African strain which may not respect our vaccines. There is the Brazil strain which is supposed to be more lethal. Are they the same Covid virus of 2020 or are they different ? Here is an example. When you meet one of your schoolContinue reading “The Virus has Aged.”

Plagues have afflicted us humans for thousands of year. They have wiped out civilisations and changed the course of our history. It is assumed that both Greek and Roman civilisations petered out after repeated attack of such plagues. Aztec and Mayan civilisation were wiped out not by the invaders but by the killer plague thatContinue reading “The Pandemic year ( part -1)”