I'm currently taking a first step into Data Science, and studying a specific computational method, I'm a math student, but I'm looking for reliable data sources, and if related to biology (e.g public health numbers) or information spread (this one i guess is harder to evaluate, but maybe like spreading of news or sharing of information on internet) it would be very appreciated.

My point here is where to look up for this kinda of data, in a reliable manner, and preferably for free.

Any suggestions are welcome!

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As suggested: 

**Data:** Mainly data from numbers of case of disease in a region over time, or sharing of fake news (nothing correlated i know but not sure yet which path to pursue)

**Context:** Trying to correlate data via some kind of regression, so for modeling some specific situations, method is developed but looking to try it on real data, and it would be better if a large amount data is available.

**Region:** Preferably in Brazil, but at this moment any region should be enough.

**License:** Very situational whether willing to pay for it or not, if for free it is easier to start a work.

**Format:** Will problably use it on Mathlab or Phyton, so right now just raw data in txt or any format like this should do it

**Authority:** Not really open to dubious data

**Non Answers:** I did look for it on governamental sites from Brazil, it has some data but wanting other sources also (still acepting hints on websites from Brazil, might not have looked for all possible sources yet).