FARAI MISIHAIRABWI and FARAI CHIGUME versus THE PRESIDENT OF THE REPUBLIC OF ZIMBABWE N.O AND OR ANYONE ACTING IN THAT CAPACITY and THE MINISTER OF HEALTH OF THE REPUBLIC OF ZIMBABWE N.O AND OR ANYONE ACTING IN THAT CAPACITY and MINISTER OF HOME AFFAIRS OF THE REPUBLIC OF ZIMBABWE N.O AND OR ANYONE ACTING IN THAT CAPACITY