The schoolgirl picks up her history book and starts to read. She's on the chapter when countries across the world were struck by a fierce disease that left millions tossing and turning with high fever and killed hundreds of thousands of them. ... leaders, and order all men, women and children to cover their faces. The girl looks up from her history book. Without checking the date, she assumes she's been reading about the 17th or 18th century, even earlier. She reminds herself how times change, ... methods. Again, our reader imagines the story comes from centuries gone by... and again she gets a shock. 2020, a year for the history books.