article: A highly-respected senior doctor has tested negative for the deadly Ebola virus after being placed in isolation at a hospital. Doctor John Parker was taken to Westmead Hospital in Sydney's west for treatment about midday on Saturday after he had developed symptoms of a influenza-like illness. The humanitarian doctor from Sunshine Coast in Queensland had been working at an Australian-run Ebola treatment clinic in Sierra Leone since November last year, Nine News reports. Scroll down for video . Doctor John Parker (centre) has tested negative for the deadly Ebola virus after returning from West Africa . The humanitarian doctor was taken to Westmead Hospital on Saturday morning after falling ill . The aid worker, who has more than 20 years experience as a GP, returned to Sydney on Friday where he stayed at an airport hotel before falling ill about 7am on Saturday. NSW Health has confirmed Dr Parker does not have Ebola and that no further testing for the virus is required at this stage. 'NSW Health can confirm tests undertaken today by Westmead Hospital's Emerging Infections and Biohazard Response Unit laboratory have returned negative for Ebola virus disease,' a spokesman told Nine News. The humanitarian doctor had been working at an  Ebola treatment clinic in Sierra Leone since November . Doctors are seen covered from head to toe as they assess Dr Parker for the deadly Ebola virus . The World Health Organisation estimated more than 10,000 people have died from the deadly virus . Dr Parker's employer, Aspen Medical confirmed that he has 'followed protocol and notified authorities as a precaution'. 'A senior member of our team has noticed a slight increase in temperature after returning from Sierra Leone,' the statement read. The World Health Organisation estimated more than 10,000 people have died from the deadly virus in Guinea, Liberia and Sierra Leone.
highlights: Ebola tests for a senior doctor has come back negative for the virus .
  Doctor John Parker has been working at an Ebola clinic in Sierra Leone .
  NSW Health said he had developed flu-like symptoms on Saturday .
  Dr Parker was assessed at a Sydney hospital as a precaution .
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