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  2. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    In addition to 42 CFR 84, surgical N95s are regulated under FDA regulation 21 CFR 878.4040. [ 52 ] In the United States, the Occupational Safety and Health Administration (OSHA) requires healthcare workers who are expected to perform patient activities with those suspected or confirmed to be infected with COVID-19 to wear respiratory protection ...

  3. Hamas - Wikipedia

    en.wikipedia.org/wiki/Hamas

    Hamas was established in 1987, and allegedly has its origins in Egypt's Muslim Brotherhood movement, which had been active in the Gaza Strip since the 1950s and gained influence through a network of mosques and various charitable and social organizations.