Any topic (writer’s choice)

1. How has evidence about the effectiveness of wearing of face masks in combating COVID-19 evolved over time?
2. Why have many countries changed their policies towards the wearing of face masks over time? Why are there still significant differences in policies towards the waring of face masks across countries and even across different areas within the same countries? Please focus on factors influencing policy context.
3. How would you assess the performance the policy of the World Health Organization (WHO) on the wearing of face masks? What might be the optimal policy of the WHO on the wearing of face masks?
4. What lessons can you draw about the influence of policy context on policy- making?

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