The head of the World Health Organization said the idea that herd immunity might be a realistic strategy to stop the pandemic “scientifically and ethically problematic.” » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is…
The head of the World Health Organization said the idea that herd immunity might be a realistic strategy to stop the pandemic “scientifically and ethically problematic.” » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is…