You are most infectious (or contagious) in the first 5 days after your symptoms start. You can also spread COVID-19 in the 48 hours before your symptoms start.
If you never have symptoms, consider yourself most infectious in the 5 days after you test positive
Close Contact
COVID-19 is mainly spread through the air in drops of liquid that come from the nose and mouth of an infected person.
The drops are usually too small to see. They scatter when an infected person coughs, sneezes or talks.
Airborne spread
In crowded indoor places with poor ventilation, tiny drops containing the virus can sometimes spread over a longer distance.
It's much safer to meet people outdoors than indoors, even if you keep more than 2 metres apart indoors.
Avoid crowded or stuffy places as much as possible.
Infected surfaces
You can also get the virus from infected surfaces. For example, when someone who has the virus sneezes or coughs, droplets with the virus can fall onto surfaces around them.
If you touch that surface and then touch your eyes, nose or mouth, you could become infected too.
Symptoms of COVID-19
People may experience different symptoms from COVID-19.
Symptoms usually begin 5–6 days
after exposure and last 1–14 days.
Coughing And Sneezing
a new, continuous cough – this means coughing a lot for more than an hour, or 3 or more coughing episodes in 24 hours
Hot Fever
fever can start anywhere from 2 days to 2 weeks after exposure to the virus.
Strong Headache
COVID-19 patients develop bilateral throbbing and tension-type headaches in the frontotemporal
or periorbital region, distinct from their usual migraine and tension headaches.
Shortness Of Breath
One of the symptoms of COVID-19 is shortness of breath. In fact, the combination of shortness of breath
with fever and a dry cough is seen as being highly suggestive of a COVID-19 infection.
Brain fog
refer to a range of neurological symptoms such as feeling slow,
difficulty thinking or concentrating, confusion and forgetfulness.
Sore Throat
The hallmark symptom of strep throat is a severe and sudden sore throat,
which may be accompanied by pain and difficulty swallowing.
About (2020-nCoV)
Prevention Coronavirus
The best defense to prevent getting COVID-19 is to get vaccinated.
You should also follow the same steps you would take to prevent getting
other viruses, such as the common cold or the flu.
Wash Your Hands
Wash your hands for at least 20 seconds — especially before eating and preparing food,
after using the bathroom, after wiping your nose,
and after coming in contact with someone who has a cold.
Cover Nose and Mouth When Sneezing
Cover your mouth and nose with a tissue when sneezing and coughing or sneeze and cough into your sleeve.
Throw the tissue in the trash. Wash your hands afterward. Never cough or sneeze into your hands!
Wear A Mask If Available
Wear a multilayered cloth facemask that fits snugly on your face and covers your mouth,
nose and chin as recommended by the CDC.
Consult Doctors
Talk to the doctors before its too late
ANDREW D. BADLEY, M.D.
an infectious disease specialist
is an experienced physician-scientist and entrepreneur
whose research focuses on novel therapeutic development.
Badley.Andrew@mayo.edu
ROBIN PATEL, M.D.
director of the Infectious disease
Dr. Patel and her team are unraveling the process of biofilm formation and resistance of biofilms to antibiotics.
patel.robin@mayo.edu
JAMES R. CERHAN, M.D., PH.D.
professor of epidemiology
Dr. Cerhan is a professor of epidemiology in the Mayo Clinic College of Medicine and Science,
and Ralph S.
Cerhan.James@mayo.edu
How to Wash Your Hands
Follow these Steps to Wash Your Hands the Right Way
1
Wet Hands
2
Apply Soap
3
Rub Hands Palm to palm
4
Lather The Back of Both Hands
5
Scrub Between Your Fingers
6
Rub The Back of Fingers on The Opposing Palm
7
Clean Thumbs
8
Wash Fingernails And Fingertips
9
Rinse Hands
10
Dry with a Single Use Towel
11
Use The Towel to turn off Faucet
12
Your Hands Are Clean
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