Nina Pham the nurse who was infected with Ebola while looking after a Liberian man suffering from the same in Dallas received a big hug from US President Barack Obama. She was invited to the Oval Office to celebrate her recovery from the Ebola virus. Obama met with Pham 26 in the White House where photographers immortalised an embrace that reflected the president's wish to calm American citizens following the arrival of Ebola in the country. The nurse was released Friday morning from the medical centre of the National Institutes of Health (NIH) in Bethesda Maryland where she was treated. NIH authorities