<prompt> Translate the following text to EnglishFDA iligundua kuwa vifaa vyote vya darasa la 2 na 3 vinaweza kufunikwa, hata vifaa vya kampuni zilizo na rekodi bora za zamani, kwa sababu kushindwa kwao kunaweza kuathiri afya ya umma.  <response>: FDA found that all Class II and III devices, even those devices from firms with excellent past records, should be covered because their failure could adversely affect public health. 