Possible Clues:

• Lots of them about? Well, no
• Widespread infections gathered speed? I'm in charge, initially
• Outbreaks of movie star Moore appearing in films like Exodus
• Widespread outbreaks of infectious diseases
• Half into the blockbusters it's a plague on all the houses perhaps
• They're sick of catching so many
• Widespread outbreaks of an infectious diseases
• Widespread outbreaks
• Long stories about half the outbreaks of disease