birch

The scientists tested birch, cherry, and a kind of Japanese magnolia called honoki.

Caroline Leafe, 70, was walking in Ashdown Forest with her husband Kenneth and their dog on 25 January last year, when the pair were hit by a silver birch as it was being felled.

Experts say these rainforests are a unique habitat of ancient oak, birch and pine and can help with flood prevention and support biodiversity.

These could include English oak, beech, silver birch and holly trees, which they say could be vulnerable to warmer temperatures and longer dry spells.

The researchers looked at how long enveloped and nonenveloped viruses remained infectious on the surface of six types of wood: Scots pine, silver birch, gray alder, eucalyptus, pedunculate oak and Norway spruce.