CDC has more than 1700 scientists, working in more than 200 cutting-edge laboratories across the U.S. from Atlanta to Spokane, to Ft Collins, to Cincinnati, Pittsburgh, Morgantown, Anchorage, and San Juan. While CDC's laboratories are diverse in their functions and expertise, they play a vital role and are unified by a single mission: to protect the lives and health of the American public 24/7.
Working side by side with the CDC
Michael F. Iademarco, MD, MPH, is a Rear Admiral and Assistant Surgeon General in the U.S. Public Health Service serving on detail as the Acting Associate Director for Laboratory Science and Safety (ADLSS) which also directs the Office of Laboratory Science and Safety (OLSS). While away from his position as Director of the Center for Surveillance, Epidemiology, and Laboratory Services (CSELS), he oversees OLSS, which provides high-level accountability and coordination of critical laboratory policies and operations, particularly those associated with laboratory safety and quality management programs at all CDC campuses.
Centers for Disease Control and Prevention
Get vaccinated. Vaccines are widely available.
COVID-19 affects different people in different ways. Infected people have had a wide range of symptoms reported - from mild symptoms to severe illness.
Symptoms may appear 2-14 days after exposure to the virus. People with these symptoms may have COVID-19:
Fever or chills
Shortness of breath or difficulty breathing
Muscle or body aches
New loss of taste or smell
Congestion or runny nose
Nausea or vomiting
Look for emergency warning signs for COVID-19. If someone is showing any of these signs, seek emergency medical care immediately:
Persistent pain or pressure in the chest
Inability to wake or stay awake
Pale, gray, or blue-colored skin, lips, or nail beds, depending on skin tone Call your medical provider for any other symptoms that are severe or concerning to you.
For informational purposes only. Consult your local medical authority for advice.
How people can be exposed to COVID-19
COVID-19 is spread mainly from person to person. Spread occurs more commonly between people who are in close contact (within about 6 feet for a total of 15 minutes or more over a 24-hour period) with one another through respiratory droplets and particles that come from the mouth or nose when an infected person coughs, sneezes, sings, or speaks.
COVID-19 is spread in three main ways:
Breathing in air that has small droplets and particles containing the virus. This type of spread is more likely to happen if you have close contact with an infected person. It can also happen when you are not in close contact with someone, especially if you are in enclosed indoor spaces with poor airflow and when you are exposed for a longer period.
Having small droplets and particles containing the virus land in the eyes, nose, or mouth, especially through splashes and sprays like a cough or sneeze.
Touching the eyes, nose, or mouth with hands that have the virus on them. It is also uncommon for COVID-19 to spread through contact with contaminated surfaces. This means that you are unlikely to get COVID-19 by touching your eyes, nose, or mouth after touching a contaminated item.
What are the stages and symptoms of COVID-19?
Day 1: The symptoms usually start with a fever, a dry cough and mild breathing issues which may get worse over the next week. You also may have symptoms of a sore throat, coughing up mucus, diarrhea, nausea, body aches and joint pain.
Day 7: Breathing may become difficult or laboured. This is called dyspnoea.
Day 9: Sepsis may start, this is the body's extreme response to an infection that can lead to organ failure or injury.
Day 10-12: People who have mild COVID-19 start to have an improvement in their fever and cough, but in serious cases their fever and cough continues.
Acute respiratory distress syndrome (ARDS) starts to be diagnosed, this is a respiratory problem when there is widespread inflammation in the lungs.
Day 12: This is the median day to be admitted into the intensive care unit (ICU).
Day 15: Acute kidney and cardiac injury becomes evident.
Day 18.5: The median time it takes from the first symptoms of COVID-19 to death is 18.5 days.
Day 22: This is the median amount of days it takes for COVID-19 survivors to be released from hospital
Lungs "full of bees" and a "sense of impending doom"
The torture of Covid-19 can begin long before someone is sick enough to be admitted to a hospital intensive care unit.
Since the coronavirus attacks the lungs, it hampers the intake of oxygen. People with worsening Covid-19 typically show up in the emergency room because they are having trouble breathing.
As their lungs deteriorate further, they have a harder and harder time getting enough oxygen with each breath, meaning they need to breathe faster and faster - up from an average of about 14 times per minute to 30 or 40. Such gasping can bring about a very real sense of panic.
Imagine trying to breathe through a very narrow straw, says Jess Mandel, chief of pulmonary, critical care, and sleep medicine at UC San Diego Health. "You can do that for 15 to 20 seconds, but try doing it for two hours." Or for days or weeks.
Patients struggling through low oxygen levels like this have told Kenneth Remy, an assistant professor of critical care medicine at Washington University School of Medicine in St. Louis, that it feels like a band across their chest or that their lungs are on fire. Or like a thousand bees stinging them inside their chest. Others might have thick secretions in their lungs that make it feel like they are trying to breathe through muck. Many people say it feels like they're being smothered.
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