Act Now. Stop Superbugs
Antimicrobial resistance is one of the top 10 global public health threats facing humanity, according to the World Health Organisation (WHO)(1). This is off the back of an already challenged global healthcare system, with multinationals desperately searching for a cure to one of the most impactful pandemics to date – Covid-19 – all while dealing with the existing challenge of multidrug-resistant pathogens in secondary infections in some Covid-19 patients(2).
Dr. Bha Ndungane-Tlakula, Country Medical Director at Pfizer South Africa, explains that the need to address antimicrobial resistance is crucial. “World Antimicrobial Awareness Week, from 18 to 24 November, aims to increase awareness of global antimicrobial resistance and encourage best practices amongst the general public, health workers and policymakers.”
According to the United Nations report titled, No time to wait: Securing the future from drug-resistant infections, alarming levels of antimicrobial resistance have been reported in countries of all income levels, including in some member countries of the Organization for Economic Cooperation and Development (OECD). It states that these reports indicate that as much as 35% of common human infections are already resistant to currently available medicines, and in some low-and middle-income countries (LMICs), resistance rates are as high as 80% to 90% for some antibiotic-bacterium combinations(3).
Antimicrobial resistance (AMR) occurs when bacteria, viruses, fungi and parasites change over time and no longer respond to medicines. This complicates the treatment of infections and increases the risk of disease spreading, severe illness and death. Following drug resistance, antibiotics and other antimicrobial agents become ineffective and infections become increasingly difficult or impossible to treat(4).
Research by the WHO suggests that the principal drivers of antimicrobial resistance include the inappropriate use of antimicrobials; lack of access to clean water, sanitation and hygiene; poor infection prevention and control in healthcare facilities; poor access to quality, affordable medicines, vaccines and diagnostics; lack of awareness and knowledge; and lack of enforcement of legislation(5).
“Antimicrobials – including antibiotics, antivirals, antifungals and antiparasitics – are medicines used to prevent and treat infections, with microorganisms that develop AMR often referred to as superbugs(6)” explains Ndungane-Tlakula. “Overall, we need antimicrobials to treat infections, and it’s important that we emphasise the responsible use thereof.”
The United Nations cautions that if no action is taken to address the potentially disastrous drug-resistance crisis, as many as 10 million deaths each year could be attributed to AMR by 2050, with economic damages being comparable to that of the 2008/2009 global financial crisis.
“These statistics are evidence that more needs to be done to spread education and awareness of the challenges faced and determine what society can do to mitigate the risks of contracting such diseases(7),” says Ndungane-Tlakula.
Apart from global public awareness campaigns, the improvement in sanitation and prevention of the spread of infection, additional measures should include a reduction in the inappropriate use of antimicrobials in agriculture and its subsequent dissemination into the environment(8).
Additionally, there should be a strong call to improve global surveillance of drug resistance and microbial consumption, and the promotion of new and rapid diagnostic support. It is reported that as many as 27 million new patients each year in the United States are prescribed antibiotics unnecessarily due to misdiagnosis(8).
“Overall, prevention is most certainly better than a cure, and the adoption of healthy daily habits will provide some of the strongest defences against infectious diseases. These include: keeping immunizations up-to-date, regular hand washing, the careful preparation and handling of food, the use of antibiotics only for bacterial infections, healthy lifestyle habits including eating well, exercising and avoiding substance use, and staying alert when travelling to areas where the risks of contracting diseases may be higher,” concludes Ndungane-Tlakula(9).
1. Antimicrobial resistance [Internet]. [cited 2020 Nov 17]. Available from: https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance
2. Hsu J. How covid-19 is accelerating the threat of antimicrobial resistance. BMJ [Internet]. 2020 May 18 [cited 2020 Nov 17];369. Available from: https://www.bmj.com/content/369/bmj.m1983.abstract
3. [No title] [Internet]. [cited 2020 Nov 17]. Available from: https://www.who.int/docs/default-source/documents/no-time-to-wait-securing-the-future-from-drug-resistant-infections-en.pdf?sfvrsn=5b424d7_6
4. Antimicrobial resistance [Internet]. [cited 2020 Nov 17]. Available from: https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance
5. Antimicrobial resistance [Internet]. [cited 2020 Nov 17]. Available from: https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance
6. Antimicrobial resistance [Internet]. [cited 2020 Nov 17]. Available from: https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance
7. [No title] [Internet]. [cited 2020 Nov 17].
8. One Health: 10 ways to tackle antimicrobial resistance – FEMS [Internet]. 2017 [cited 2020 Nov 17]. Available from: https://fems-microbiology.org/one-health-10-ways-to-tackle-antibiotic-resistance/
9. Drexler M, Institute of Medicine (US). Prevention and Treatment. In: What You Need to Know About Infectious Disease. National Academies Press (US); 2010.
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