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E.coli outbreak linked to McDonald’s burgers: what is the disease?

While the source of the infection is not known yet, McDonald's has stopped serving quarter pound patties and slivered onions in several US states. Both ingredients are primarily used in the burger.

3 min read
McDonald’s, McDonald’s E.coli, E.coli infection, E.coli infection outbreak, Explained Health, Indian express explained, explained news, current affairsA sign is seen at a McDonald's restaurant in US. (Reuters)

One person has died and 10 have been hospitalised in the US due to an E.coli infection after eating McDonald’s burgers.

While the source of the infection is not known yet, the fast food giant has stopped serving quarter pound patties and slivered onions in several US states. Both ingredients are primarily used in the burger.

Has the E.coli outbreak been reported outside the US too?

No. The outbreak is restricted to 10 states in the United States. However, E.coli, which causes gastrointestinal symptoms, is not uncommon in India. It spreads through contaminated food and water. “We usually see cases during the summer and rainy seasons, when there is an increase in gastrointestinal infections in general,” said Dr Atul Gogia, senior consultant of internal medicine at Sir Ganga Ram hospital, New Delhi.

Dr Suranjit Chatterjee, senior consultant of internal medicine at Indraprastha Apollo Hospital, New Delhi, said: “Among gastrointestinal and urinary tract infections, E.coli is one of the most common pathogens.”

How common are E.coli infections?

More than 500 outbreaks of diarrhoeal diseases were reported across India in 2023, according to the National Centre for Disease Control.

E.coli is the most common bacteria isolated from patient samples, according to the latest report of ICMR’s Antimicrobial Surveillance Network. The pathogen was found in 23.19% of all types of patient samples from tertiary care hospitals across India, where the surveillance is carried out.

The Food Safety and Standards Authority of India (FSSAI) is working on creating a network of 34 microbiology labs across the country that will test food products for 10 pathogens, including E.coli, salmonella, and listeria. Tests for microbial contamination were missing from most state food safety laboratories in the country.

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What are E.coli infection’s symptoms?

The most common symptoms of E.coli infection include fever of more than 102 degree F, persistent diarrhoea, bloody diarrhoea, and vomiting. The main problem, however, is dehydration due to the inability of the patient to retain water and fluids.

In very few cases, people may get acute kidney injury.

How is it treated?

E.coli is a bacterial infection for which antibiotics are prescribed. Doctors emphasise that medicines should not be taken without consultation.

Indiscriminate use of antibiotics leads to antimicrobial resistance and further difficulty in treating common infections. For example, E.coli’s susceptibility to even strong antibiotics, such as carbapenem, has been on the decline, reducing from 81.4% in 2017 to 62.7% in 2023 to one type of medicine in this category.

When should you go to a doctor?

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You must go to a doctor if you have had diarrhoea for more than a couple of days; you have to visit the toilet every half hour to an hour; you have bloody diarrhoea; you vomit frequently; and are unable to retain any water and fluids.

Anonna Dutt is a Principal Correspondent who writes primarily on health at the Indian Express. She reports on myriad topics ranging from the growing burden of non-communicable diseases such as diabetes and hypertension to the problems with pervasive infectious conditions. She reported on the government’s management of the Covid-19 pandemic and closely followed the vaccination programme. Her stories have resulted in the city government investing in high-end tests for the poor and acknowledging errors in their official reports. Dutt also takes a keen interest in the country’s space programme and has written on key missions like Chandrayaan 2 and 3, Aditya L1, and Gaganyaan. She was among the first batch of eleven media fellows with RBM Partnership to End Malaria. She was also selected to participate in the short-term programme on early childhood reporting at Columbia University’s Dart Centre. Dutt has a Bachelor’s Degree from the Symbiosis Institute of Media and Communication, Pune and a PG Diploma from the Asian College of Journalism, Chennai. She started her reporting career with the Hindustan Times. When not at work, she tries to appease the Duolingo owl with her French skills and sometimes takes to the dance floor. ... Read More

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