The Factbook provides information on the history, people, government, economy, energy, geography, communications, transportation, military, and transnational issues for 267 world entities.
Country publication and data from the WHO. Check out the country or regional office web pages that are linked from country profile page. These often contain useful reports (see below image).
WHO Country Profiles - Country/Regional Webpages
Reports on the country office pages may be located in different areas of the webpage. Locating them, if they exist, will involve some digging on your part.