Pneumonia vaccine and growing trend of pneumococcal vaccination

Posted October 17, 2019 by kusum21

The Global Pneumonia Vaccines Market size is expected to reach $9.6 billion by 2025, rising at a market growth of 5.1% CAGR during the forecast period.

Vaccination continues the main method of prevention of Streptococcus pneumoniae and influenza infections among the elderly. Despite the rise in vaccination coverage among older adults, the efficacy of this approach in stopping pneumonia has been in doubt. Conflicting findings have resulted in randomized controlled trials (RCTs) and observational studies to determine clinical outcomes and immune response within a week of pneumonia vaccination. In elderly adults, the protective effectiveness of pneumococcal vaccination against pneumonia was not strongly created owing to an absence of RCTs specifically examining patients aged 65 years or older.

The growing rate of pneumonia across the world

Pneumonia is the single most important infectious cause of death in children globally, according to the World Health Organization. In 2017, pneumonia killed 808,694 children under the age of 5, representing 15% of all deaths of children under the age of 5. Along with a few countries with high prevalence, in South Asia and sub-Saharan Africa, pneumonia affects children and families at an extensive rate. Children can be protected against pneumonia, prevented with easy treatments, and handled with low-cost, low-tech medication and care. Hospital pneumonia is pneumonia that is obtained at least 48 hours after admission in a hospital environment. Pneumonia is the second most prevalent disease acquired by the hospital but is also the major cause of death among diseases acquired by the hospital. Hospital-acquired pneumonia is also seen as the cause of almost half of all hospital-wide antibiotics consumption.

A subtype of hospital-acquired pneumonia, known as ventilator-associated pneumonia, is defined as more than 48 hours of pneumonia acquired after an endotracheal intubation procedure. It is also considered to be the most prevalent infection in intensive care units (ICUs), accounting for about 70-80% of hospital pneumonia instances in ICUs. The main pathogen that can cause hospital-acquired pneumonia depends on the geographical location, but generally, six most prevalent bacteria that caused the majority of instances of hospital-acquired pneumonia were discovered to be P. aeurginosa, S. aureus, Klebsiella species, Acinetobacter species, E. coli, and Enterobacter species. Although most of these pathogens are bacteria, various pathogens may infect and cause pneumonia at once.

What is a pneumonia vaccine?

It has been shown that the pneumococcal vaccine reduces the risk of community-acquired pneumonia in people with chronic obstructive pulmonary disease. However, it does not decrease mortality or hospitalization risk for those with this disorder. Pneumococcal vaccination is suggested for people with COPD. Pertussis, varicella, and measles are other vaccines which are supported for a guard against pneumonia.

Vaccination protects both children and adults from certain bacterial and viral pneumonia. Vaccines for influenza are moderately efficient in stopping influenza symptoms. For each individual of 6 months and older there is a proposed annual influenza vaccination. Immunizing health care workers reduces their people's danger of viral pneumonia. Haemophilus influenza and Streptococcus pneumonia vaccinations have been used widely.

Vaccinating kids against Streptococcus pneumonia has resulted in a decrease in adults in the frequency of these diseases, as many adults from infected from children. A Streptococcus pneumonia vaccine is accessible for adolescents and has been discovered to reduce the risk of invasive pneumococcal illness by 74%, but there is inadequate proof to suggest that the general adult population uses the pneumococcal vaccine to avoid pneumonia or death. It is essential to have a pneumococcal vaccine for young children and adults over 65 years of age, as well as for older children or younger adults with an increased risk of pneumococcal disease.

The existence of pneumococcal vaccination

The most common problem of bacteria that cause respiratory infections in the world is the pneumococcus (Streptococcus pneumonia). The infection-related pathological disease is either invasive or non-invasive, and roughly 25% of the causes of serious diseases with bacteremia leading to poor prognosis are prevalent bacteria. Also, the frequency of serious diseases in elderly patients is greater and the clinical burden of serious diseases in nations such as Japan, which has a quickly increasing elderly population, continues to increase. Therefore, the immediate task is to find an effective way to control this disease.

Pneumococcal vaccination is one way to control infection. Routine infant immunization with pneumococcal conjugate vaccine 13 (PCV13) and pneumococcal polysaccharide 23 (PPV23) among elderly people have led to reductions in the mortality of infant pneumonia. Pneumococcal conjugate vaccines (PCVs) are capable of direct and indirectly protecting against pneumococcal disease. Since the advent of pneumococcal conjugate vaccines (PCVs), the incidence of invasive pneumococcal infections in children has declined.

The future of pneumonia vaccines and pneumococcal vaccination

The pneumonia vaccines market is growing at a rapid pace with significant technological developments and plans of combating pneumonia diseases. Pneumonia is a complex disease that kills a child every twenty seconds, especially in developing countries where funds for health care are scarce. The bacterium of pneumococcus, the major cause of pneumonia, has over 90 varieties alone. Control of this complicated threat to global health is within reach but needs a thorough strategy using the complete range of prevention technologies available. To this end, it is vital to increase the accessibility of today's vaccines while continuing to invest in tomorrow's vaccines.

New protein-based pneumococcal vaccines prevalent to all pneumococcus varieties are a strategy that the medical sector is pursuing with definite commitment. Common protein vaccines help acknowledge and protect the body's immune system against nearly all pneumococcal strains. These vaccines differ from presently licensed pneumococcal vaccines as they provide wide protection instead of targeting a restricted amount of varieties of pneumococcal. Protein vaccines also can cost comparatively low due to simpler and more effective manufacturing procedures. These vaccines could be efficient, cheap, and sustainable prevention choices for the future while still in the early phases of growth.
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Last Updated October 17, 2019