Sweden’s leading epidemiologist says herd immunity a mystery
[ad_1] Anders Tegnell Photographer: Anders Wiklund / AFP / Getty Images Photographer: Anders Wiklund / AFP / Getty Images The man behind Sweden’s coronavirus strategy, best known for the lack of a lockdown, says key questions remain about how immunity works. Anders Tegnell, a Swedish state epidemiologist, says it is still not clear to what … Read more