Question: Demand and willingness to avail health services: Health services such as bed nets, condoms, use of masks, hand sanitisation andCOVID-19 vaccine are distributed across the populations as a means of most effective tools to prevent these infectious disease. However currently, in context of COVID-19 there is a lot of discussion on the refusal of vaccine, demand and willingness to accept these services. Discuss this global issue and answer the following questions

1. What is the importance/relevance of this topic in the study of health economics?
2. Objective of your literature search for review - what issues related to your topic are you reviewing?
3. Selection criteria of studies for your review - What criteria did you use to select paper for your review (inclusion criteria and exclusion criteria)?
4. What are the gaps in the literature? Critical analysis of the literature in relation to your topic.