Directions: Read the passage carefully and answer the questions that follow.
A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E. coli bacteria that can cause serious illness and death.
Particularly vulnerable are young children, older people or those with weakened immune systems.
About 50 people have fallen ill in the McDonald’s outbreak, and one has died, with ages ranging from 13 to 88, according to the Centers for Disease Control and Prevention.
A preliminary investigation suggests raw slivered onions served on Quarter Pounders are a likely source of the outbreak.
Here’s what to know about the dangerous germ.
What is E. coli?
E. coli is a type of bacteria found in the environment, including water, food and in the intestines of people and animals. There are many kinds of harmless E. coli, but a few types can make people seriously ill. The McDonald’s outbreak is caused by E. coli O157:H7, which produces a toxin that causes dangerous diarrhea and can lead to kidney failure and other serious problems, according to the CDC.
How is it spread?
People can get sick from E. coli poisoning when they consume contaminated foods or through contact with animals, the environment or other people who are infected. Health officials initially focused on fresh slivered onions and beef patties as the possible sources of the McDonald’s outbreak. But the beef patties are an unlikely source because of federal requirements for testing meat and McDonald’s protocols that call for cooking it to a temperature that kills the bacteria. The onions are served raw.
What are the symptoms of E. coli poisoning?
Symptoms occur quickly, within a day or two of eating contaminated food, and typically include fever, vomiting, diarrhea or bloody diarrhea and signs of dehydration — little or no peeing, increased thirst and dizziness. The infection can cause a type of serious kidney injury, especially in kids younger than 5. E. coli poisoning in young children requires immediate medical attention.
How often does E. coli make people sick?
The type of bacteria implicated in this outbreak causes about 74,000 infections in the U.S. annually, leading to more than 2,000 hospitalizations and 61 deaths each year, according to the CDC. In general, E. coli infections were lower in 2023 than in recent years and cases of severe kidney injury caused by the bacteria remained stable, according to latest federal data.
What other germs can cause food poisoning?
Food poisoning sickens at least 48 million people in the U.S. each year, including 128,000 who are hospitalized and 3,000 who die. E. coli poisoning is only one cause of such infections. Other germs can make people sick, too. The most common is norovirus, a group of bacteria that cause between 19 million and 21 million cases of food poisoning in the U.S. each year, according to the CDC. Salmonella bacteria in food sickens about 1.3 million people. Listeria bacteria cause fewer illnesses, about 1,600 each year, but are responsible for about 260 deaths.
[Excerpt from pbs.org "E. Coli Outbreak: Causes, Symptoms, and Prevention" Dated 26/10/24]
Q1: What is the primary health risk associated with certain E. coli strains?
(a) Cancer
(b) Vision problems
(c) Shiga toxin production leading to severe illness
(d) Bone disease
Ans: (c)
Sol: Some E. coli strains produce Shiga toxin, which can lead to serious health issues.
Q2: Which of the following is NOT a type of E. coli infection mentioned in the text?
(a) Gastrointestinal infection
(b) Urinary Tract Infection (UTI)
(c) Respiratory infection
(d) Sepsis
Ans: (c)
Sol: Respiratory infection is not mentioned as a type of E. coli infection.
Q3: What are the common symptoms of an E. coli gastrointestinal infection?
(a) Skin rash and fever
(b) Cough and sore throat
(c) Runny stomach, abdominal cramps, and low fever
(d) Blurred vision and headache
Ans: (c)
Sol: Symptoms include a runny stomach, abdominal cramps, and low fever.
Q4: How can E. coli infections be transmitted?
(a) By drinking boiled water
(b) Through contaminated food, water, surface contact, and poor hygiene
(c) By breathing in contaminated air
(d) Through direct sunlight exposure
Ans: (b)
Sol: E. coli can be transmitted through contaminated food, water, contact with surfaces, and poor hygiene.
Q5: Which group is more vulnerable to E. coli infections?
(a) Young adults with high immunity
(b) Healthy athletes
(c) Children and the elderly
(d) People with high stomach acid
Ans: (c)
Sol: Children, elderly adults, and those with weakened immune systems are more susceptible.
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