Measles: world may be in "post-herd immunity" stage--expert

World may be ‘post-herd immunity’ to measles, top US scientist says As infections pummel communities in the US, Mexico and Canada, fear of ‘the most contagious human disease’ grows The Guardian

A leading immunologist warned of a “post-herd-immunity world”, as measles outbreaks affect communities with low vaccination rates in the American south-west, Mexico and Canada. ...

“We’re living in a post-herd-immunity world. I think the measles outbreak proves that,” said Dr Paul Offit, an expert on infectious disease and immunology and director of the Vaccine Education Center at Children’s Hospital of Philadelphia.

“Measles – because it is the most contagious of the vaccine-preventable diseases, the most contagious human disease really – it is the first to come back.”

...