'Measles is the most contagious virus we know of.' Infectious disease expert Dr. Robert Murphy can discuss recent outbreaks - Newswise

'Measles is the most contagious virus we know of.' Infectious disease expert Dr. Robert Murphy can discuss recent outbreaks  Newswise

'Measles is the most contagious virus we know of' Public health departments will need 'to put their foot down' on people refusing vaccinations. CHICAGO ...