British Prime Minister Boris Johnson will send every household in the country a letter to warn that the coronavirus outbreak is likely to worsen, the government said in a statement on Sunday.

“It’s important for me to level with you — we know things will get worse before they get better. But we are making the right preparations, and the more we all follow the rules, the fewer lives will be lost and the sooner life can return to normal,” Johnson said in the letter, which will be sent to 30 million households across the U.K. this week.


Read more: COVID-19 outbreak to worsen: British prime minister