Transmission And Prevention Research
Modelling research has been conducted with several objectives, including predictions of the dynamics of transmission, diagnosis and prognosis of infection, estimation of the impact of interventions, or allocation of resources. Modelling studies are mostly based on compartmental models in epidemiology, estimating the number of infected people over time under given conditions. Several other types of models have been developed and used during the COVID-19 including computational fluid dynamics models to study the flow physics of COVID-19, retrofits of crowd movement models to study occupant exposure, mobility-data based models to investigate transmission, or the use of macroeconomic models to assess the economic impact of the pandemic. Further, conceptual frameworks from crisis management research have been applied to better understand the effects of COVID-19 on organizations worldwide.
What Are The Signs And Symptoms Of Bacterial Versus Viral Pneumonia In Adults
Symptoms of pneumonia can range from mild sometimes called walking pneumonia to severe. How serious your case of pneumonia depends on the particular germ causing pneumonia, your overall health, and your age.
Bacterial pneumonia: Symptoms of bacterial pneumonia can develop gradually or suddenly. Symptoms include:
- High fever
Additional symptoms appearing about a day later include:
- Higher fever
- Shortness of breath
Favorite Orgs That Can Help Fight Pneumonia
Those over age 65 have a higher risk of getting pneumonia than younger adults. They may be especially susceptible to community-acquired pneumonia, spread among large populations of elderly people in settings such as assisted living facilities. This organization, devoted to finding the best products and services for seniors, publishes advice on how older adults should handle prevention and care.
Influenza is a common cause of pneumonia. Several national healthcare organizations and the CDC are collaborating in an effort called United Against the Flu to stress the importance of getting immunized. The groups website supplies resources and details on the vaccination.
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Medical History And Physical Exam
- Exposure to sick people at home, school, or work or in a hospital
- Flu or pneumonia vaccinations
- Exposure to birds and other animals
During your physical exam, your doctor will check your temperature and listen to your lungs with a stethoscope.
Key Points About Pneumonia
Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, or fungi.
There are more than 30 different causes of pneumonia, and theyre grouped by the cause. The main types of pneumonia are bacterial, viral, and mycoplasma pneumonia.
A cough that produces green, yellow, or bloody mucus is the most common symptom of pneumonia. Other symptoms include fever, shaking chills, shortness of breath, low energy, and extreme tiredness.
Pneumonia can often be diagnosed with a thorough history and physical exam. Tests used to look at the lungs, blood tests, and tests done on the sputum you cough up may also be used.
Treatment depends on the type of pneumonia you have. Antibiotics are used for bacterial pneumonia. It may also speed recovery from mycoplasma pneumonia and some special cases. Most viral pneumonias dont have a specific treatment and just get better on their own. Other treatment may include a healthy diet, more fluids, rest, oxygen therapy, and medicine for pain, cough, and fever control.
Most people with pneumonia respond well to treatment, but pneumonia can cause serious lung and infection problems. It can even be deadly.
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How Is Walking Pneumonia Different From Regular Pneumonia
Walking pneumonia differs from typical pneumonia in several ways, including:
- Walking pneumonia is a milder form of pneumonia.
- Walking pneumonia usually does not require bed rest or hospitalization.
- Walking pneumonia is usually caused by Mycoplasma pneumoniae. Typical pneumonia is most commonly caused by _Streptococcus _pneumonia or influenza virus or rhinovirus.
How To Know If Its Pneumonia
Symptoms of pneumonia can be the same as for colds and flu, which is why you really need a doctors diagnosis to know for sure. A doctor may also be able to identify which type of pneumonia you have and prescribe the appropriate treatment.
Symptoms common to pneumonia, colds and flu include:
Additional signs of pneumonia may include:
- A respiratory illness that lingers
- Cough with mucus and/or blood
- Shortness of breath or fast, shallow breathing
- Bluish tint to lips and/or fingertips
- High fever, sweating, shaking chills
- Sharp or stabbing chest pain that gets worse when you inhale deeply or cough
- Nausea and vomiting, especially in young children
- Confusion, especially in older adults
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How Do You Get Pneumonia
Pneumonia can be contracted tons of different ways, from inhalation of fumes to living in a moldy building. Overall, its divided into two different categories: community-acquired pneumonia and hospital acquired pneumonia, says Norman Edelman, M.D., senior scientific advisor to the American Lung Association.
Community-acquired pneumonia can be acquired anywhere, anytime. Bacterial and viral pneumonia are contagious, so you can pick it up from someones stray cough or sneeze, by sharing cups, or not washing your hands as often as you should.
Then there is hospital-acquired pneumonia, which is the kind you pick up while staying in the hospital or at a chronic care facility, like a nursing home or rehab center. We make that distinction because the bugs that cause these two types of pneumonia tend to be different and treated differently, says Dr. Edelman.
Pneumonia Vs Cold And Flu Symptoms
Itâs tricky, because pneumonia can be a complication of colds and flu. This happens when the germs that cause those common illnesses get into your lungs. You might be feeling better, but then you start getting symptoms again — and this time, they can be a lot worse.
The top clue that you have the flu is that the symptoms come on strong, seemingly out of nowhere. You may have:
- Fever above 100.4 F
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Help Prevent The Spread Of Infections:
- Sneeze and cough into a tissue then throw it away right after use and wash your hands. If you dont have a tissue, sneeze and cough into your sleeve.
- If you have a cold or the flu, stay home from work, school and public places
- Regularly clean common areas of your home
The signs and symptoms of pneumonia vary depending on your age and what type of pneumonia you have. Symptoms can range from mild to very severe. The most common symptoms of pneumonia:
- Feeling very tired and unwell
- Chest pain
If you have any of these symptoms its important to see your health-care provider right away. Since symptoms can vary depending on your age, see your health-care provider if you notice any health-related changes.
If you have a chronic condition such as chronic obstructive pulmonary disease or asthma, you may also notice a worsening of your condition.
Your health-care provider may suspect pneumonia after asking you what symptoms you have and for how long youve had them. A physical exam, including listening to your lungs with a stethoscope for abnormal sounds, can help with the diagnosis.
If your health-care provider suspects you may have pneumonia, the following tests can help confirm the diagnosis:
Your health-care provider may send you for other tests if required.
If you have any regular symptoms, see your health-care provider to be assessed as soon as possible.
How Is Walking Pneumonia Different
Walking pneumonia, also known as atypical pneumonia, is caused by mycoplasma pneumoniae bacteria. It usually causes cold-like symptoms, in addition to a fever and a hacking cough. It is most common in school-aged children and young adults, says Annette Cameron, MD, a Yale Medicine pediatrician.
Because this type of pneumonia typically causes milder symptoms, it may go undiagnosed for a while, especially if the child is able to participate in normal activities and isnt as visibly sick as he or she would be with other forms of pneumonia. And thats why its called walking pneumonia, Dr. Cameron says. It might just be a little bit of malaise. Sometimes you can have community-acquired, or bacterial pneumonia, along with walking pneumonia, in which case we would just treat both of them.
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Healthy Diet And Lifestyle
The Harvard T.H. Chan School of Public Health recommends a healthy diet, being physically active, managing psychological stress, and getting enough sleep.
Consistently meeting scientific guidelines of 150+ minutes per week of exercise or similar physical activity was shown to be associated with a smaller risk of hospitalisation and death due to COVID-19, even when considering likely risk factors such as elevated BMI.
A meta-analysis, published online in October 2021, concluded that Vitamin D supplementation in SARS-CoV-2 positive patients has the potential to positively impact patients with both mild and severe symptoms. The largest observational study on the subject using online questionnaires, with over 6 000 participants and a dosage regime near the RDI, is set to conclude in July 2021.One of the collaborators in the study is Synergy Biologics Ltd, a manufacturer of vitamin D3 supplements.
How To Determine If You Have Pneumonia
This article was medically reviewed by Victor Catania, MD. Dr. Catania is a board certified Family Medicine Physician in Pennsylvania. He received his MD from the Medical University of the Americas in 2012 and completed his residency in Family Medicine at the Robert Packer Hospital. He is a member of the American Board of Family Medicine.There are 9 references cited in this article, which can be found at the bottom of the page.wikiHow marks an article as reader-approved once it receives enough positive feedback. In this case, 100% of readers who voted found the article helpful, earning it our reader-approved status. This article has been viewed 75,807 times.
Research shows that pneumonia is an infection of the air sacs in your lungs that can be caused by bacteria, viruses, or fungi.XTrustworthy SourceMayo ClinicEducational website from one of the world’s leading hospitalsGo to source This infection is most dangerous for children, elderly people, and those with weakened immune systems, and it can become life-threatening. Experts note that if you recognize the symptoms and seek medical help right away, pneumonia can be treated effectively.XTrustworthy SourceMayo ClinicEducational website from one of the world’s leading hospitalsGo to source
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Things That You Can Do To Help Your Child At Home Are
- Control the fever with the proper medicine and right strength for the age of your child. Fevers lower than 101° F do not need to be treated unless the child is uncomfortable .
- Give your child plenty of fluids to prevent dehydration.
- See that your child gets lots of rest.
- Do not give over-the-counter cough medicines or other OTC medicines without asking the health provider first. The child needs to cough and bring up the phlegm. Coughing is the bodys way of clearing the infection from the lungs.
- Avoid exposing your child to tobacco smoke or other irritants in the air.
What Is The Outlook For Pneumonia
People who are otherwise healthy often recover quickly when given prompt and proper care. However, pneumonia is a serious condition and can be life-threatening if left untreated and especially for those individuals at increased risk for pneumonia.
Even patients who have been successfully treated and have fully recovered may face long-term health issues. Children who have recovered from pneumonia have an increased risk of chronic lung diseases. Adults may experience:
- General decline in quality of life for months or years
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Bronchitis Vs Pneumonia: Why Theyre Related And How Theyre Different
A pneumonia diagnosis is based on your medical history, a physical exam, and certain test results. Your doctor determines which type of pneumonia you have based on how you became infected, what your X-ray or lung exam reveals, and which kind of germ is responsible for your infection.
During a physical exam, your doctor will check your vital signs and listen to your lungs with a stethoscope. Decreased breath sounds is an indication of a lot of inflammation, says Michelle Barron, MD, a professor in the division of infectious diseases at University of Colorado School of Medicine in Aurora.
If your doctor suspects pneumonia, they may order further diagnostic tests, such as a chest X-ray to help determine the extent of the infection. Blood tests and an analysis of the patients sputum can pinpoint whats causing the pneumonia. Pulse oximetry measures the oxygen level in your blood .
Questions About Your Symptoms
Bacterial pneumonia, which is the most common form, tends to be more serious than other types of pneumonia, with symptoms that require medical care. The symptoms of bacterial pneumonia can develop gradually or suddenly. Fever may rise as high as a dangerous 105 degrees F, with profuse sweating and rapidly increased breathing and pulse rate. Lips and nailbeds may have a bluish color due to lack of oxygen in the blood. A patient’s mental state may be confused or delirious.
The symptoms of viral pneumonia usually develop over a period of several days. Early symptoms are similar to influenza symptoms: fever, a dry cough, headache, muscle pain, and weakness. Within a day or two, the symptoms typically get worse, with increasing cough, shortness of breath and muscle pain. There may be a high fever and there may be blueness of the lips.
Symptoms may vary in certain populations. Newborns and infants may not show any signs of the infection. Or, they may vomit, have a fever and cough, or appear restless, sick, or tired and without energy. Older adults and people who have serious illnesses or weak immune systems may have fewer and milder symptoms. They may even have a lower than normal temperature. Older adults who have pneumonia sometimes have sudden changes in mental awareness. For individuals that already have a chronic lung disease, those symptoms may worsen.
When to call a doctor
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Is There A Vaccine For Pneumonia
There isnt a vaccine for all types of pneumonia, but 2 vaccines are available. These help prevent pneumonia caused by pneumococcal bacteria. The first is recommended for all children younger than 5 years of age. The second is recommended for anyone age 2 or older who is at increased risk for pneumonia. Getting the pneumonia vaccine is especially important if you:
- Are 65 years of age or older.
- Have certain chronic conditions, such as asthma, lung disease, diabetes, heart disease, sickle cell disease, or cirrhosis.
- Have a weakened immune system because of HIV/AIDS, kidney failure, a damaged or removed spleen, a recent organ transplant, or receiving chemotherapy.
- Have cochlear implants .
The pneumococcal vaccines cant prevent all cases of pneumonia. But they can make it less likely that people who are at risk will experience the severe, and possibly life-threatening, complications of pneumonia.
Some More Details About Our Respiratory Tract:
- The airways are lined extensively by smooth muscles, goblet cells which are responsible for mucus production and hair-like projections called Cilia. Goblet cells trap particulate matter or micro-organisms and ciliary movements help to push them out of the airways.
- The respiratory tract is studded with lymph nodes for effective drainage of infective organisms and toxins. The thoracic duct passes from near the trachea.
- Each part of the airway is rich in blood and nerve supply.
- The alveoli are mainly responsible for the gaseous exchange of oxygen and carbon dioxide.
- Pneumocytes within the alveoli are responsible for gaseous exchange and production of surfactant-a fluid which prevents the alveoli from collapsing.
- The lungs are covered externally by the parietal and visceral pleura. The pleural cavity contains pleural fluid which works as a shock absorber and a transporter of nutrients and fluids from and into the lungs.
- The lungs are protected therefore direct trauma to the lungs is a very rare occurrence.
To know if you have bronchitis or pneumonia, it is vital to know that both of these clinical entities are affections of the lower respiratory tract. Further details of this article will help you understand if you have pneumonia or bronchitis or if you have both at the same time and how to differentiate between the two.
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How Common Is Pneumonia
Approximately 1 million adults in the United States are hospitalized each year for pneumonia and 50,000 die from the disease. It is the second most common reason for being admitted to the hospital — childbirth is number one. Pneumonia is the most common reason children are admitted to the hospital in the United States. Seniors who are hospitalized for pneumonia face a higher risk of death compared to any of the top 10 other reasons for hospitalization.
Can You Catch Pneumonia More Than Once
Yes. Pneumonia is caused by many different microbes, and so getting it once does not protect you from getting it again. If you get pneumonia more than once you may need to have more investigations to understand why this has happened. It could be due to a problem in your chest or your immune system, and you may be referred to a specialist.
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