Australian seagulls could carry drug-resistant superbugs, study finds

(CNN)Some Australian seagulls are infected with superbugs resistant to antibiotics, according to new research, which raises concerns that the bacteria could spread from the birds to livestock or humans.

Of the birds tested in the study, more than 20% were found to carry bacteria resistant to antibiotics and other drugs that target microbes in the human system, the researchers said in a news release. They also found birds carrying bacteria resistant to carbapanem, the class of drugs used to treat infections when other drugs have failed.
Antimicrobial resistance happens when certain microorganisms change to due exposure to drugs, and eventually develop resistance to them, according to the World Health Organization. The overuse of antibiotics and antimicrobial drugs has helped increase the rate of drug resistance, the WHO said.
    The issue has become so acute that the WHO listed antimicrobial resistance as one of the 10 biggest threats to global health in 2019.
    “Antimicrobial resistance — the ability of bacteria, parasites, viruses and fungi to resist these medicines — threatens to send us back to a time when we were unable to easily treat infections such as pneumonia, tuberculosis, gonorrhoea, and salmonellosis. The inability to prevent infections could seriously compromise surgery and procedures such as chemotherapy,” the WHO said.
    Seagull’s eating habits could explain how the birds were infected with these so-called superbugs, the study’s authors said.
      “Seagulls could be acquiring this pathogen through their opportunistic feeding habits where they scavenge from leftover human waste and may then be subsequently spreading these resistant bacteria over vast distances,” said one of the study’s authors, Mark O’Dea.
      These habits are on full display near Sydney’s biggest tourist attractions on the water, including the Opera House and the restaurants around it. The nearby Opera Bar and Opera Kitchen have hired a team of dogs to chase away gulls.

      Read more: https://www.cnn.com/2019/07/09/health/australian-seagulls-superbug-study-intl-hnk/index.html

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