How Long Is Omicron’s Incubation Period
According to early data, the time it takes for an infected person to develop symptoms after an exposure may be shorter for omicron than for previous variants from a full week down to as little as three days or fewer.
While much more research is needed, it makes scientific sense that a highly contagious virus like the omicron variant would have a shorter incubation period. Its goal, after all, is to infect as many people as possible, as quickly as possible.
“That’s why the spread is occurring at a much faster pace,” said Dr. Anita Gupta, an anesthesiologist and critical care physician at the Johns Hopkins School of Medicine. She added that it’s possible the incubation period could be shorter or longer depending on a number of variables, including age, underlying health problems and vaccination status. “There is no hard and fast rule here.”
Who Is At Risk
Some adults are more at risk of getting pneumonia than others. At-risk groups include:
- people older than 65 years
- heavy drinkers
- people who have chronic conditions such as chronic obstructive pulmonary disease and diabetes
- people taking acid-reducing medicines for conditions such as heartburn and
- people with weakened immune systems.
Types Of Walking Pneumonia
Walking pneumonia is one of more than 30 different types of pneumonia. It can be divided into a few different subtypes, including:
Mycoplasma pneumonia
This type of pneumonia tends to be mild, and most people recover without treatment. Its caused by the bacterium Mycoplasma pneumoniae . The Centers for Disease Control and Prevention estimates that there are about of M. pneumoniae infections each year in the United States.
Chlamydial pneumonia
This type of walking pneumonia is caused by Chlamydia pneumoniae bacteria. While it can cause a serious infection, most people experience only mild illness or no symptoms whatsoever. Its common among school-age children and young adults.
Legionella pneumonia
Legionnaires disease is one of the most serious types of walking pneumonia, as it can lead to both respiratory failure and death. Its caused by Legionella, a type of bacteria found in freshwater that can contaminate water systems in buildings. People can get this disease if they inhale airborne droplets of water that contain the bacteria.
Walking pneumonia symptoms are typically mild and look like the common cold. People may start noticing signs of walking pneumonia between 1 and 4 weeks of being exposed to the pathogen that caused the disease.
Symptoms of walking pneumonia can include:
- vomiting
- loss of appetite
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What Increases Your Risk Factors For Walking Pneumonia
Like pneumonia, the risk for developing walking pneumonia is higher if you are:
- over age of 65 years old
- 2 years old or younger
- immunocompromised
Since walking pneumonia tends to be mild, some people with the illness choose not to get a formal diagnosis. But other serious diseases can cause symptoms that look like walking pneumonia. If symptoms continue to worsen after a few days, consider checking in with a healthcare professional for a diagnosis and treatment.
Treatment for walking pneumonia depends on whats causing the disease. Walking pneumonia from bacteria can be treated with antibiotics. A healthcare professional may use antiviral medications to treat cases caused by viruses.
For very mild cases of walking pneumonia, treatment may simply involve managing symptoms at home and resting.
Lab Tests For Pneumonia

The need for more tests often depends on how severe your symptoms are, your age, and your overall health. In general, the sicker you are, the more tests you may need. This is especially true for older adults and infants. One example of a test you may have is the arterial blood gas test.
Mucus test
If you are very ill, have severe shortness of breath, or have a condition that increases your risk , your doctor may test your mucus. Tests include a Gram stain and a sputum culture.
Rapid urine test
This test can identify some bacteria that cause pneumonia. This can help guide treatment for pneumonia.
HIV test
In people who have impaired immune systems, pneumonia may be caused by other organisms, including some forms of fungi, such as Pneumocystis jiroveci . This fungus often causes pneumonia in people who have AIDS. Some doctors may suggest an HIV test if they think that Pneumocystis jiroveci is causing the pneumonia.
Other lung tests
If you have severe pneumonia, you may need other tests, including tests to check for complications and to find out how well your immune system is working.
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What I Learned During 10 Days Of Treating Covid Pneumonia
I have been practicing emergency medicine for 30 years. In 1994, I invented an imaging system for teaching intubation, the procedure of inserting breathing tubes. This led me to perform research into this procedure, and subsequently teach airway procedure courses to physicians worldwide for the last two decades.
So at the end of March, as a crush of COVID-19 patients began overwhelming hospitals in New York City, I volunteered to spend 10 days at Bellevue, helping at the hospital where I trained. Over those days, I realized that we are not detecting the deadly pneumonia the virus causes early enough and that we could be doing more to keep patients off ventilators and alive.
On the long drive to New York from my home in New Hampshire, I called my friend Nick Caputo, an emergency physician in the Bronx, who was already in the thick of it. I wanted to know what I was facing, how to stay safe and about his insights into airway management with this disease. Rich, he said, its like nothing Ive ever seen before.
He was right. Pneumonia caused by the coronavirus has had a stunning impact on the citys hospital system. Normally an ER has a mix of patients with conditions ranging from the serious, such as heart attacks, strokes and traumatic injuries, to the non-life-threatening, such as minor lacerations, intoxication, orthopedic injuries and migraine headaches.
Its time to get ahead of this virus instead of chasing it.
Types Of Pneumonia Tests
Various types of pneumonia tests may be performed based on a patients symptoms and overall health. In most cases, initial testing for pneumonia involves a physical examination, medical history review, and a chest x-ray. These steps often allow for an initial diagnosis to be made.
Recommendations for further testing are tailored to a patients situation. In general, patients who have more severe symptoms, may require hospitalization, or who are at higher risk of complications are more likely to undergo additional pneumonia testing.
The following sections provide details about the different types of tests that may be involved in the diagnosis and evaluation of pneumonia.
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Tests To Assess Lung Function
Pneumonia directly affects the lungs, so the doctor may recommend one or more pulmonary function tests to check how well your lungs are working to provide oxygen to your body.
One type of pulmonary function test is pulse oximetry, which checks whether there is enough oxygen in your blood. The test uses a sensor clipped to your ear or finger that estimates your blood oxygen levels.
Another way of evaluating your blood oxygen levels is with an arterial blood gases test. This test uses a sample of blood taken from an artery and measures the amount of oxygen, blood pH, and carbon dioxide.
Getting Tested For Pneumonia
Pneumonia tests are ordered by a doctor and normally performed in a medical setting like a hospital or doctors office. Depending on the type of test, other medical specialists, such as a pulmonologist who focuses on lung conditions, may be a part of your health care team.
If you have symptoms of pneumonia or have recently been diagnosed with pneumonia, you should talk with your doctor about the most appropriate testing and where it can be performed.
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Who Should Get Testing
Testing is most often performed if you have symptoms that could be caused by pneumonia. This testing can help diagnose or rule out pneumonia as a cause of those symptoms.
The decision to order a pneumonia test is determined by a doctor based on your specific situation. You should talk to a doctor or nurse if:
- You have a cough that is persistent or worsening
- You have difficulty breathing or shortness of breath
- You experience chest pain when breathing
- You have recovered from a cold or flu and then quickly found that your symptoms worsened
It is especially important to see a doctor about these symptoms if you have risk factors for developing more complicated pneumonia. Make sure to reach out to a health care professional if you are over 65 years old, have a preexisting lung condition, and/or have a compromised immune system.
If you have already been diagnosed with pneumonia, you may have additional testing to learn more about the cause and severity of your condition. Follow-up testing can also be used to observe how well treatment is working.
How To Treat Pneumonia In Covid Know What The Doctor Has To Say
Covid-19 pneumonia treatment requires proper medical attention. Here are some doctor tips to treat it. Read on.
Pneumonia can develop in the lungs when a bacteria or virus causes infection resulting in major damage and inflammation. The fluid and debris build-up on the lungs can make it difficult for an individual to breathe. In fact, oxygen therapy and ventilator support is required if the condition gets worse. No matter which bacteria or virus caused it, pneumonia can make the patient’s condition very critical, even life-threatening. When we talk about COVID pneumonia, the damage to the lungs is caused by the Coronavirus, i.e the virus responsible for COVID-19 disease.
Novel Coronavirus can have an impact on any organ of our body, but the most damage occurs on the respiratory system. Pneumonia associated with the novel coronavirus was earlier named as novel coronavirus-infected pneumonia . However, it was later changed by the WHO to COVID pneumonia. Onlymyhealth editorial team talked to Dr. Ankit Singhal, Pulmonologist, Sri Balaji Action Medical Institute, New Delhi, about the treatment of Covid pneumonia.
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Walking Pneumonia Vs Bronchitis Symptoms
Both bronchitis and walking pneumonia have similar symptoms, but the two diseases are not the same. Bronchitis affects the bronchial tubes, not the small airways of the lungs.
Bronchitis symptoms may include:
- runny, stuffy nose
- shortness of breath
The main difference is that the recovery time tends to be shorter with acute bronchitis than with pneumonia. But recovering from chronic bronchitis may take a long time.
What Are The Symptoms Of Omicron

Early evidence suggests that for most people, at least for those who are up to date on their Covid vaccines, omicron appears to result in mild illness that can resemble the common cold, another form of the coronavirus. Poehling, who is also a member of the Advisory Committee on Immunization Practices, which helps guide the Centers for Disease Control and Preventions decisions on vaccines, said there appear to be prominent symptoms from omicron:
- Cough
- Fatigue or tiredness
- Congestion and runny nose
Unlike in previous variants, the loss of taste and smell seems to be uncommon, she said.
But Poehling and other experts say those symptoms are based on early reports of omicron cases, not scientific studies.
“Anecdotal reports represent just one person,” said Dr. Bruce Y. Lee, a professor of health policy and management at the City University of New York School of Public Health. “We have to take them with a grain of salt.”
What’s more, they may only reflect certain segments of the population: young and otherwise healthy, as well as those who are fully vaccinated.
“It is clear that if you’re vaccinated, particularly if youve had a booster, omicron tends to produce milder infections,” said Dr. William Schaffner, an infectious disease expert at the Vanderbilt University Medical Center in Nashville, Tennessee.
“What we haven’t seen yet is a substantial body of information about what omicron will do in unvaccinated people,” he added.
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What Can I Do At Home To Feel Better
In addition to taking any antibiotics and/or medicine your doctor prescribes, you should also:
- Get lots of rest. Rest will help your body fight the infection.
- Drink plenty of fluids. Fluids will keep you hydrated. They can help loosen the mucus in your lungs. Try water, warm tea, and clear soups.
- Stop smoking if you smoke and avoid secondhand smoke. Smoke can make your symptoms worse. Smoking also increases your risk of developing pneumonia and other lung problems in the future. You should also avoid lit fireplaces or other areas where the air may not be clean.
- Stay home from school or work until your symptoms go away. This usually means waiting until your fever breaks and you arent coughing up mucus. Ask your doctor when its okay for you to return to school or work.
- Use a cool-mist humidifier or take a warm bath. This will help clear your lungs and make it easier for you to breathe.
What Increases Your Risk
You are more likely to get pneumonia if you:
- Smoke. Cigarette smoking is a strong risk factor for pneumonia in healthy young people.
- Have another medical condition, especially lung diseases such as chronic obstructive pulmonary disease or asthma.
- Are younger than 1 year of age or older than 65.
- Have an impaired immune system.
- Take medicine called a proton pump inhibitor that reduces the amount of stomach acid.footnote 3, footnote 4
- Drink excessive amounts of alcohol.
- Recently had a cold or the flu.
You are more likely to have complications of pneumonia and need to go to the hospital if you:
- Are older than 65.
- Have some other illness , or have gone to the hospital for a medical problem within the last 3 months.
- Have had your spleen removed or do not have a working spleen .
- Have an alcohol use problem.
- Have a weak immune system.
- Reside in a place where people live close together, such as a university dorm or nursing home.
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Things You Need To Know About Pneumonia
Suddenly in the spotlight, this common lung infection has a lot of causes but can also be prevented in many cases. Learn more to protect yourself.
It doesnt usually get a lot of attention. But all of a sudden, pneumonia has captured attention thanks to Hillary Clintons case. Two experts offer some key information to help you and your loved ones avoid it or get the best treatment if needed.
Tests To Diagnose Lung Cancer
Symptoms and the results of certain tests may strongly suggest that a person has lung cancer, but the actual diagnosis is made by looking at lung cells in the lab.
The cells can be taken from lung secretions , fluid removed from the area around the lung , or from a suspicious area using a needle or surgery . The choice of which test to use depends on the situation.
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Medical History And Physical Exam
Your doctor will ask about your signs and symptoms and when they began. Your doctor will also ask whether you have any risk factors for pneumonia. Your doctor also may ask about:
- Exposure to sick people at home, school, or work or in a hospital
- Flu or pneumonia vaccinations
- Exposure to birds and other animals
- Smoking
During your physical exam, your doctor will check your temperature and listen to your lungs with a stethoscope.
Lab Tests Of Biopsy And Other Samples
Samples that have been collected during biopsies or other tests are sent to a pathology lab. A pathologist, a doctor who uses lab tests to diagnose diseases such as cancer, will look at the samples and may do other special tests to help better classify the cancer.
The results of these tests are described in a pathology report, which is usually available within a week. If you have any questions about your pathology results or any diagnostic tests, talk to your doctor. If needed, you can get a second opinion of your pathology report by having your tissue samples sent to a pathologist at another lab.
For more information, see Understanding Your Pathology Report.
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What Are The Symptoms Of Pneumonia
Pneumonia symptoms can vary from so mild you barely notice them, to so severe that hospitalization is required. How your body responds to pneumonia depends on the type germ causing the infection, your age and your overall health.
The signs and symptoms of pneumonia may include:
- Cough, which may produce greenish, yellow or even bloody mucus
- Fever, sweating and shaking chills
- Sharp or stabbing chest pain that gets worse when you breathe deeply or cough
- Loss of appetite, low energy, and fatigue
- Nausea and vomiting, especially in small children
- Confusion, especially in older people
Pneumonia : Signs And Symptoms

What is pneumonia?Pneumonia is an infection of the lungs that causes the air sacs of the lungs to fill with fluid. This fluid buildup makes it hard for oxygen to enter the bloodstream, creating the symptoms of pneumonia. Viruses and bacteria are the main causes of pneumonia, but on rarer occasions fungus and parasites can cause an infection as well.During or after a virus like a cold or the flu, your immune system is more susceptible to additional infections, which is why pneumonia can be a flu-related complication to watch for.Signs and symptoms of pneumoniaDepending on the cause of pneumonia, symptoms can come on quickly, or more gradually. Symptoms include:
- A productive cough, meaning mucus from the lungs comes up with the cough. Sometimes mucus can be a greenish color, or tinged slightly with blood.
- Fever
- Feeling short of breath fast, shallow breathing
- Chest pain that gets worse when coughing
- General feeling of tiredness and feeling weak
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