With fewer people driving and industries shutting up shop, air pollution has fallen.
Economists from the University of Technology Sydney looked at how 18 major incidences affected 14,000 people.
Schools across the UK rang their last bell in March, forcing many parents to take on the role of teacher.
With the UK on lockdown, government officials have warned life may not go completely back to normal until an effective jab becomes available.
Grace Havens was rushed to hospital when she developed a purple spotty rash following days of severe pain.