Read the following article, paying close attention to the study design. Benkouit

Read the following article, paying close attention to the study design.
Benkouiten, S., Al-Tawfiq, J., Memish, Z. A., Albarrak, A., & Gautret, P. (2019). Clinical respiratory infections and pneumonia during the hajj pilgrimage: A systematic review. Travel Medicine and Infectious Disease, 28, 15-26. https://doi.org/10.1016/j.tmaid.2018.12.002
Address the following requirements:
Give a brief explanation of the topic of the article.
What were the researchers’ aims in conducting the study?
Summary of the main findings?
Analyze the study design, including the strengths and weaknesses.
What alternative design would you recommend under the same situation and why? Defend your answer.
Embed course material concepts, principles, and theories (which require supporting citations) in your initial response along with at least one scholarly, peer-reviewed journal article. Keep in mind that these scholarly references can be found in the Saudi Digital Library by conducting an advanced search specific to scholarly references. Use Saudi Electronic University academic writing standards and APA style guidelines.