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DAILY NEWS ANALYSIS
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01 December, 2020
3 Min Read
Researchers at Sweden’s Karolinska institute have tried to answer why influenza infections lead to an increased risk of bacterial pneumonia. They have described findings leading to so-called “superinfections”.
They cite the example of Spanish flu, which was an influenza pandemic that swept across the world in 1918–20. Unlike many other pandemics, the Spanish flu hit young healthy adults, due to the superinfections caused by bacteria, in particular pneumococci.
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Superinfections: These are infections occurring after or on top of an earlier infection, especially following treatment with broad-spectrum antibiotics. It is an overgrowth of an opportunistic pathogen from the bacterial or yeast imbalance of systemic antibiotics. For example, influenza is caused by a virus, but the most common cause of death in influenza patients is secondary pneumonia, which is caused by bacteria. However, the reason behind influenza infections leading to an increased risk of bacterial pneumonia is not known. |
Researchers looked at the mechanisms behind this increased susceptibility. They found that different nutrients and antioxidants leak from the blood. This creates an environment in the lungs that favours the growth of bacteria.
The bacteria adapt to the inflammatory environment by increasing the production of HtrA enzyme. HtrA weakens the immune system and promotes bacterial growth in the influenza-infected airways. The results of the research could be used to find new therapies for double infections between the influenza virus and pneumococcal bacteria.
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Influenza
Pneumonia
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Source: IE
03 Dec, 25
On 1st November, eight Indian states—Andhra Pradesh, Chhattisgarh, Haryana, Karnataka, Kerala, Madhya Pradesh, Punjab, and Tamil Nadu—along with five Union Territories—Andaman and Nicobar Islands, Chandigarh, Delhi, Lakshadweep, and Puducherry—celebrate their Formation Day. This date marks an important milestone in India
02 Dec, 25
The Turtle Wildlife Sanctuary, also known as the Kachhua Sanctuary, is located in the Varanasi district of Uttar Pradesh. It is recognised as India’s first freshwater turtle wildlife sanctuary, established to conserve endangered turtle species and support the ecological health of the Ganga River. Location and Extent The sanctuary co
02 Dec, 25
The Ministry of Education plans to introduce Artificial Intelligence (AI) and Computational Thinking (CT) from Class 3 onwards in the 2026–27 academic year. This initiative is part of the National Curriculum Framework for School Education (NCF-SE) 2023 and aligns with the National Education Policy (NEP) 2020. The aim is to prepare student
02 Dec, 25
Scientists from the Environment Department of Himachal Pradesh University (HPU) in Shimla have recently revealed that the Sal tree (Shorea robusta) is the most effective natural air purifier for combating rising pollution levels. Their findings highlight the tree’s superior capacity to trap dust, absorb gases, and cleanse the air compared
02 Dec, 25
The President of the United States has ordered the resumption of nuclear weapon testing after a gap of 33 years, the last test being in 1992. This decision marks a significant shift in global nuclear policy and has far-reaching implications for geopolitics, the environment, and international security. Status of Global Nuclear Weapon Testing
03 Dec,2025
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