According to a new study on the gateway receptor of the Covid-19, a wide variety of symptoms and organs may be involved with the SARS-CoV-2 infection. The findings were published in the journal Cellular and Molecular Neurobiology.But Firstly Lets Know what is corona virus .
What Is Corona Virus ?
Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment.
How Does It Spreads ?
The virus that causes COVID-19 is mainly transmitted through droplets generated when an infected person coughs, sneezes, or exhales. These droplets are too heavy to hang in the air, and quickly fall on floors or surfaces. You can be infected by breathing in the virus if you are within close proximity of someone who has COVID-19, or by touching a contaminated surface and then your eyes, nose or mouth.
Is There Any Vaccine Available For This Virus ?
While some western, traditional or home remedies may provide comfort and alleviate symptoms of mild COVID-19, there are no medicines that have been shown to prevent or cure the disease. WHO does not recommend self-medication with any medicines, including antibiotics, as a prevention or cure for COVID-19. However, there are several ongoing clinical trials of both western and traditional medicines. WHO is coordinating efforts to develop vaccines and medicines to prevent and treat COVID-19 and will continue to provide updated information as soon as research results become available.
What Found In A New Case Study ?
The study led by Walter Lukiw, PhD, Professor of Neuroscience, Neurology, and Ophthalmology at LSU Health New Orleans’ Neuroscience Centre of Excellence and School of Medicine, suggested that a multi-organ infection with SARS-CoV-2 may be via the angiotensin-converting enzyme 2 (ACE2) receptor, which is found almost everywhere throughout the body.
Study On Human Tissues
For the study, the team of researchers examined 85 human tissues for the presence of ACE2 receptors. ACE2 is a protein that is found on the surface of many immune and non-immune cell types. ACE2 is an enzyme and an active part of the system that regulates blood pressure, fluid, and electrolyte balance. In the case of the coronavirus infection, ACE2 receptors act like locks on cells, and the SARS-CoV-2 spike proteins act like keys that open the locks letting the virus enter cells to rapidly multiply. It also controls tissues in the lungs, digestive, renal-excretory, reproductive, eye tissues, and 21 different regions of the brain, the study noted. Besides strong ACE2 expression in respiratory, digestive, renal-excretory, and reproductive cells, high ACE2 expression was also found in the amygdala, cerebral cortex, and brainstem. The study speculated that the infection may lead to cognitive deficits associated with SARS-CoV-2. Some of the highest ACE2 expression levels were found in the pons and medulla oblongata in the human brainstem, an anatomical region of the brain containing the medullary respiratory centres, and this may, in part, explain the susceptibility of many Covid-19 patients to severe respiratory distress. The team further noted that ACE2 receptor activity was also easily detected in the eye, suggesting that the visual system may provide an additional entry point for the SARS-CoV-2 invasion. The study revealed that eyeglasses or face shields may be as important as face masks in reducing SARS-CoV-2 transmission and infection.
What Does Dr.Lukiw Said ?
Dr Lukiw said in a statement: “Several important research gaps remain. A real danger of SARS-CoV-2 infection is not only its highly transmissible and contagious nature and lethality, but also its simultaneous and multipronged attack on many human cell and tissue types involving vital and critical respiratory, immunological, vascular, renal-excretory and neural systems as well as an unprecedented coordinated disruption of the complex neurophysiology, neurochemistry, neurobiology and neurology of the cells of the brain and central nervous system (CNS) that normally regulate these multiple physiological systems.”
The updated Exam Calendar 2025 has been made public by SSC. Here, candidates can view the dates for the Delhi Police, MTS, JE, CGL, CHSL, and SI exams. The updated timetable for the SSC exams in the 2025–2026 session has been made public by the Staff Selection Commission, or SSC. The updated schedule is available on the official website at ssc.gov.in for candidates who wish to take any.
The updated calendar states that on June 5, 2025, the announcement for the Stenographer Grade “C” & “D” Examination, 2025, will be made, and registration will open that same day. The exam will take place from August 6 to August 11, 2025, and the application deadline is June 26, 2025. Similarly, registrations commission’s examinations.
The Staff Selection Commission (SSC) has released the revised examination calendar for the 2025–26 session, detailing updated notification, registration, and examination dates for major recruitment exams such as CGL, CHSL, SI in Delhi Police, MTS, JE, and others. Candidates can access the complete schedule on the official SSC website at.
Key Exam Dates and Details 1. Combined Graduate Level (CGL) Examination 2025 Notification Release: June 9, 2025 Application Period: June 9 to July 4, 2025 Exam Dates: August 13 to August 30, 2025
Mode: Computer-Based Examination (CBE) 2. Combined Higher Secondary Level (CHSL) Examination 2025 Notification Release: June 23, 2025 Application Period: June 23 to July 18, 2025 Exam Dates: September 8 to September 18, 2025
Mode: CBE 3. Sub-Inspector in Delhi Police and Central Armed Police Forces (CAPFs) Examination 2025 Notification Release: June 16, 2025 Application Period: June 16 to July 7, 2025 Exam Dates: September 1 to September 6, 2025
Mode: CBES 4. Multi-Tasking (Non-Technical) Staff and Havaldar (CBIC & CBN) Examination 2025 Notification Release: June 26, 2025 Application Period: June 26 to July 24, 2025 Exam Dates: September 20 to October 24, 2025
Mode: CBE 5. Junior Engineer (Civil, Mechanical, Electrical) Examination 2025 Notification Release: June 30, 2025 Application Period: June 30 to July 21, 2025 Exam Dates: October 27 to October 31, 2025
Mode: CBE 6. Stenographer Grade ‘C’ & ‘D’ Examination 2025 Notification Release: June 5, 2025 Application Period: June 5 to June 26, 2025 Exam Dates: August 6 to August 11, 2025
Mode: CBE 7. Selection Post Examination, Phase-XIII, 2025 Notification Release: June 2, 2025 Application Period: June 2 to June 23, 2025 Exam Dates: July 24 to August 4, 2025
Mode: CBE 8. Combined Hindi Translators Examination 2025 Notification Release: June 5, 2025 Application Period: June 5 to June 26, 2025 Exam Date: August 12, 2025
Mode: CBE 9. Delhi Police Examinations (Constable, Head Constable, AWO/TPO) 2025 Notification & Registration: July to September 2025 Exam Dates: November to December 2025 Mode: CBE
How to Download the Revised SSC Exam Calendar 2025–26 Visit the official SSC website Navigate to the “For Candidates” section and click on “Examination Calendar.” Click on the link titled “Revised Tentative Calendar of Examinations for the Year 2025–26.” The PDF will open; download and save it for future reference Additional Information.
The SSC examinations are conducted in Computer-Based Examination (CBE) mode across various centers nationwide. The revised calendar aims to provide candidates ample time to prepare and plan for the upcoming examinations. For detailed information on each examination, including syllabus, eligibility criteria, and application procedures, candidates are advised to refer to the official.
Notifications released on the SSC website For more details and updates, visit the , registration, and examination dates for major recruitment exams such as CGL, CHSL, SI the complete schedule on the official SSC.
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