HIV/AIDS and COVID-19-- Data is organized by source except for two ongoing epidemics HIV/AIDS and COVID-19 which are organized by disease. Links to data on these two epidemics are provided at the bottom of this page.
United Nations -- Data on the health indicators related to the
Millennium Development Goals is available at http://unstats.un.org/unsd/mi/mi_goals.asp
World Bank -- The World Bank provides time series data for Health in its database, the World Development Indicators (WDI) and a separate health, nutrition and population data base at the same site. There is specific health data available at https://data.worldbank.org/indicator/SH.MED.NUMW.P3
World Health Organization-- WHO provides access to searchable data bases and other data sources on disease at http://apps.who.int/gho/data/node.home. The data displayed on the website pages is often only a sample. There are provisions for downloading complete data sets --the link is usually located above the sample tables.
UNICEF-- The organization provides a range of data at the country level, including access to demographic and health surveys (which require registration) at https://data.unicef.org/about-us/.
Gapminder -- Gapminder is an innovative data presentation web site which provides dynamic views of data changes over time using bubble graphs. Graphs are available for economic, population, health (including HIV/AIDS), environmental, agricultural and information technology data. Raw data can be downloaded from the site and a desktop version of the software is available free. Users can customize graphs using existing data, but cannot add new data. Much of the data used is from the World Bank and UN organizations. Gapminder is at http://www.gapminder.org .
US Census Bureau -- The US Census Bureau has for many years been collecting data on HIV/AIDS surveys in developing countries. The Bureau provides free access to this data base, The HIV/AIDS Surveillance Data Base at http://www.census.gov/population/international/data/hiv/. . Data can be downloaded in either ASCII or Lotus format.
The DHS Program Spacial Data Repository -- On this web page the USAID financed Demographic and Health Surveys (DHS) program provides shapefiles at the national and subnational level of summary data from it's many surveys carried out in developing countries. The data and times of coverage vary from country to country and by type of survey. It can include nutritional data, demographic, HIV/AIDS data and other data. The data can be downloaded at http://spatialdata.dhsprogram.com/home/ or http://spatialdata.dhsprogram.com/data/#/. For guided selection of data you can try https://www.statcompiler.com/en/
NCD Risk Factor Collaboration (NCD-RisC)-- Provides spreadsheet data on risk factors for non-communicable diseases (body mass index, diabetes, height and bl;ood pressure) in developing countries at http://www.ncdrisc.org/.
GHDx-- Provides a selection of health related data at http://ghdx.healthdata.org/ihme_data. Data includes Global Burden of Disease and Institute for Health Metrics and Evaluation (IHME) data in various formats. Data includes estimate of national expenditure on health as well as spending projections.
UNAIDS-- UNAIDS has a main data page giving access to its reports and data bases at http://www.unaids.org/en/dataanalysis. The organization also provides a downloadable spreadsheet of time series data as an .xls spreadsheet at http://www.unaids.org/en/dataanalysis/datatools/aidsinfo. Subnational data is available for a number of selected countries.The data for different indicators is on different worksheets and the cells contain mixed text and numeric data (in many of the cells and the text characters must be cleaned out and the cells formatted as numeric before the data can be used for calculations). To download the spreadsheet click on the tiny "XLS" label on the top right of the "People living with HIV (all ages)" table. Users looking for specific data by country can use the AIDSinfo Online Database http://www.aidsinfoonline.org/devinfo/libraries/aspx/Home.aspx. For database users,a download of all of the data in the AIDSinfo Online Database is available at the "Download data in CSV format" label on the same page. The full download contains more than 200,000 individual records.
Our World in Data-- https://ourworldindata.org/coronavirus provides a variety of information and data on the pandemic. The site is associated with Oxford University and provides links to a wide range of information from many different sources. It is perhaps the best site to start with to familiarize yourself with the different aspects of the pandemic.
WHO--The World Health Organization (WHO) is the official UN site for data on the pandemic. WHO publishes a daily report on COVID-19 infections by county at https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports . Daily reports are available from 21 January 2020. Although the reports include data tables, the reports are available only as pdf files and the tables must be 'scraped' using appropriate software before they can be loaded into spreadsheets or database software.
Coronavirus Resource Center-- This resource developed by Johns Hopkins University provides an interactive web-based map to track cases of the virus around the world (https://coronavirus.jhu.edu/map.html) . Links to original data sources are provided in a box at the bottom of the map.
World Meter-- This site provides updated world summaries and charts of the COVID-19 pandemic at https://www.worldometers.info/coronavirus/. It also provides an updated daily table of country level data including County, Total Cases, New Cases, Total Deaths, New Deaths, Total Recovered, Active Cases, Serious/Critical and Total Cases/1M Population. There appears to be no provision for downloading the table but if you "select" and copy the whole table it can be pasted to a spreadsheet, and requires only minimal editing to be loaded into database software. The site also provides a wide range of data on the pandemic.
OCHA-- The United Nations Office for the Coordination of Humanitarian Affairs has a page on COVID-19 at https://www.unocha.org/covid19 which provides information and data on the pandemic.
COVIDTRACKING-- This site at https://covidtracking.com/data/ provides detailed state by state data on the pandemic for the USA.