If you know you'll lose access to the Internet at a certain point, be sure to download data when possible. You can download reports off of WHO in PDF form, but you have to keep clicking until you see you see a "Download PDF" somewhere. You might also be able to download data in Excel spreadsheets (this is an option with much of the WHO data).
If you want to save something that doesn't have a visible "Download" you can right click on the webpage and click "print." If "Print" isn't an option, click the browser's menu (usually three horizontal lines in the upper left side of the screen) and find the print option there.
When the printing menu appears, rather than selecting a printer, select "Save to PDF" or "Adobe PDF" and click "print" or "okay." A new box will probably appear and ask where you want to save the document. If you don't specify which file you would like to save it in, the file will probably default be saved in your "Downloads" folder, so don't forget to check there in case you can't find it!
Remember: You still have access to all of the library's resources!
If you need to find information on interventions or condition, check out the following links:
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Costarica.com has webpages on traveling within the country. The following might be useful: