Public demonstrations
If you see or hear about protests forming, move away calmly to a safe location and avoid photographing or engaging with crowds.
U.S. advisory warns large demonstrations may occur with little notice and can disrupt transport.
Norovirus precautions
If you develop vomiting or diarrhea, avoid visiting hospitals unless necessary, stay hydrated, and practice strict hand hygiene to limit spread.
Attikon University Hospital reported a cluster of gastroenteritis cases that is currently easing but still active.
