Just published @NEJM
nejm.org/doi/full/10.10… >4 months out
nejm.org/doi/full/10.10…
1. "Unprecedented snapshot of seroconversion rates" with various antibody isotopes, different antigens
2. 56% cases confirmed by virus (PCR) testing so 44% infections would've been missed w/o antibody
3. 2 Waves graphic
"from tests on more than 30,000 people in Iceland [15% of the population], is the most extensive work yet on the immune system’s response to the virus and is good news for efforts to develop vaccines."
by @MMarchioneAP
apnews.com/bc8888eb4e70c1…