the growing global threat of antibiotic resistance ielts reading answers

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The Growing Global Threat Of Antibiotic Resistance Ielts Reading Answers

The Growing Global Threat Of Antibiotic Resistance Ielts Reading Answers

Bacteria develop resistance naturally through mutation and natural selection . When antibiotics are used, they kill defenseless bacteria but leave behind resistant ones, which then multiply rapidly—sometimes doubling in number within a day.

A. The discovery of penicillin by Alexander Fleming in 1928 is often cited as one of the most significant milestones in medical history. For the first time, humanity possessed a weapon against bacterial infections that had historically been fatal. Diseases such as pneumonia, tuberculosis, and sepsis became treatable, and the average life expectancy rose significantly. This "golden age" of antibiotics ushered in an era of surgical safety; complex operations became routine because doctors could reliably prevent post-operative infections. However, less than a century later, this medical triumph is in jeopardy. We are now facing a global crisis where the drugs used to treat infections are losing their efficacy, a phenomenon known as antibiotic resistance. The discovery of penicillin by Alexander Fleming in

Explanation: Paragraph D states antibiotics are used "...to promote growth...". The summary uses the verb "encourage", so the noun "growth" fits best. "Growth promotion" is also acceptable as it appears in the text later. This "golden age" of antibiotics ushered in an

While demand for new antibiotics is urgent, the pharmaceutical pipeline is dry. Since 1987, very few truly novel classes of antibiotics have been discovered. This is a market failure from an economic perspective. A new antibiotic is a ‘reserve’ drug – doctors will only use it in the most extreme cases to prevent resistance from developing. Consequently, the potential revenue for a new antibiotic is minuscule compared to a lucrative drug for chronic conditions like diabetes or high blood pressure. Many major pharmaceutical companies have abandoned antibiotic research altogether. To solve this, innovative funding models are being tested, such as the ‘Netflix model’ or subscription-style payments, where governments pay a fixed annual fee for access to antibiotics regardless of how many are used, decoupling profit from volume sold. To solve this

Explanation: Paragraph B states: "It is important to understand that it is the bacteria, not the host, that become resistant."

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Bacteria develop resistance naturally through mutation and natural selection . When antibiotics are used, they kill defenseless bacteria but leave behind resistant ones, which then multiply rapidly—sometimes doubling in number within a day.

A. The discovery of penicillin by Alexander Fleming in 1928 is often cited as one of the most significant milestones in medical history. For the first time, humanity possessed a weapon against bacterial infections that had historically been fatal. Diseases such as pneumonia, tuberculosis, and sepsis became treatable, and the average life expectancy rose significantly. This "golden age" of antibiotics ushered in an era of surgical safety; complex operations became routine because doctors could reliably prevent post-operative infections. However, less than a century later, this medical triumph is in jeopardy. We are now facing a global crisis where the drugs used to treat infections are losing their efficacy, a phenomenon known as antibiotic resistance.

Explanation: Paragraph D states antibiotics are used "...to promote growth...". The summary uses the verb "encourage", so the noun "growth" fits best. "Growth promotion" is also acceptable as it appears in the text later.

While demand for new antibiotics is urgent, the pharmaceutical pipeline is dry. Since 1987, very few truly novel classes of antibiotics have been discovered. This is a market failure from an economic perspective. A new antibiotic is a ‘reserve’ drug – doctors will only use it in the most extreme cases to prevent resistance from developing. Consequently, the potential revenue for a new antibiotic is minuscule compared to a lucrative drug for chronic conditions like diabetes or high blood pressure. Many major pharmaceutical companies have abandoned antibiotic research altogether. To solve this, innovative funding models are being tested, such as the ‘Netflix model’ or subscription-style payments, where governments pay a fixed annual fee for access to antibiotics regardless of how many are used, decoupling profit from volume sold.

Explanation: Paragraph B states: "It is important to understand that it is the bacteria, not the host, that become resistant."