Prevention of corona virus

disease 2019 (COVID-19), which is the fifth pandemic after the 1918 flu pandemic. As of now, we can trace the first report and subsequent outbreak from a cluster of novel human pneumonia cases in Wuhan City, China, since late December 2019. The earliest date of symptom onset was 1 December 2019. The symptomatology of these patients, including fever, malaise, dry cough, and dyspnea, was diagnosed as viral pneumonia [1,2]. Initially, the disease was called Wuhan pneumonia by the press because of the area and pneumonia symptoms. Whole-genome sequencing results showed that the causative agent is a novel coronavirus. Therefore, this virus is the seventh member of the coronavirus family to infect humans [3]. The World Health Organization (WHO) temporarily termed the new virus 2019 novel coronavirus (2019-nCoV) on 12 January 2020 and then officially named this infectious disease coronavirus disease 2019 (COVID-19) on 12 February 2020. Later, the International Committee on Taxonomy of Viruses (ICTV) officially designated the virus as SARS-CoV-2 based on phylogeny, taxonomy and established practice [4]. Subsequently, human-to-human transmission of COVID-19 occurring within Hong Kong has been shown in clinical data [5]. Since COVID-19 initially emerged in China, the virus has evolved for four

HISTORY OF COVID-19

these viruses cause respiratory tract infections that can range from mild to lethal. Mild illnesses include some cases of the common cold (which is caused also by certain other viruses, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS, and COVID-19. Symptoms in other species vary: in chickens, they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea. There are as yet no vaccines or antiviral drugs to prevent or treat human coronavirus infections.
Coronaviruses constitute the subfamily Orthocoronavirinae, in the family Coronaviridae, order Nidovirales, and realm Riboviria.[5][6] They are enveloped viruses.

WHAT IS CORONAVIRUS?

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:
Cough
Shortness of breath or difficulty breathing
Fever
Chills
Muscle pain
Sore throat
New loss of taste or smell
Look for emergency warning signs for COVID-19. If someone is showing any of these signs, seek emergency medical care immediately:
Trouble breathing
Persistent pain or pressure in the chest
New confusion
Inability to wake or stay awake
Bluish lips or face
Call your medical provider for any other symptoms that are severe or concerni

following actions help prevent the spread of COVID-19, as well as other coronaviruses and influenza:
Avoid close contact with people who are sick.
Avoid touching your eyes, nose, and mouth.
Stay home when you are sick.
Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
Clean and disinfect frequently touched objects and surfaces every day. High touch surfaces include counters, tabletops, doorknobs, bathroom fixtures, toilets, phones, keyboards, tablets, and bedside tables. A list of products suitable for use against COVID-19 is available here. This list has been pre-approved by the US Environmental Protection Agency (EPA) for use during the COVID-19 outbreak.
Wash your hands often with soap and water.

If your symptoms get worse, call your healthcare provider immediately
Get rest and stay hydrated. Take over-the-counter medicines, such as acetaminophen, to help you feel better.
If you have a medical appointment, notify your healthcare provider ahead of time that you have or may have COVID-19.
Stay in a specific room and away from other people in your home. If possible, use a separate bathroom. If you must be around others, wear a facemask.
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