If you have traveled to West Africa, and develop a fever or feel sick within 21 days of your return, what should you do?

如果你有到西非經商或旅行，返國21天內有發燒等不適現象，這時你應該怎麼做？

1. 到藥房去買藥
2. 前往醫院急診室
3. 通報1922防疫專線
4. 前往診所