Peter: Thanks for raising a substantive question. Here's a substantive answer.

For 2007 infant mortality per 1,000 births:
Austria 4.5
Canada 4.6
Denmark 4.5
France 4.2
Germany 4.1
Spain 4.3
United Kingdom 5.0
United States 6.4
Source: http://www.infoplease.com/ipa/A0004393.html
A more comprehensive source: http://en.wikipedia.org/wiki/List_of_countries_by_infant_mortality_rate

As to why the US government was established, check the preamble to the Constitution. Might not basic health care come under the requirement to "promote the general Welfare"?

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