remain "asymptomatically infected" until clearing the virus) are much less likely to transmit virus infection compared to those who have symptoms, or are about to develop symptoms. TwoDetection of the Covid virus doesn't necessarily tell us much about infectiousness. As immunological data continues to emerge, it is becoming apparent that the body's antibody response to Covid infection is considerably slower than we might have expected. 15 minutes face-to-face and within two metres, meaning Covid virus spreads especially efficiently within households and through gatherings of family and friends. Forty to 60 per cent of all those who catch and carry SARS-CoV-2 virus, so are "infected', never develop symptoms (remain asymptomatic) so do not develop Covid disease.

Source: New Zealand Herald March 08, 2021 16:00 UTC