Definition | Covid-19 – Coronavirus disease 2024

Covid-19 refers to " Coronavirus Disease 2024 ", The disease caused by a virus of the family of Coronaviridae, the SARS-CoV-2. This infectious disease is a zoonosis, the origin of which is still debated, which emerged in December 2024 in the city of Wuhan, in Hubei province in China. It quickly spread, first throughout China, then abroad, causing epidemic world.

Covid-19 is a respiratory disease that can be fatal in patients who are frail by age or another chronic illness. It is spread through close contact with infected people. The disease could also be transmitted by asymptomatic patients, but scientific data are lacking to attest with certainty.

Symptoms of Covid-19 disease

The symptoms main diseases are the fever, fatigue and a dry cough. Some patients have also experienced painscongestion and runny nose, sore throat and diarrhea. These symptoms are generally mild. But about one in six people have more severe symptoms, including dyspnea. The pneumonia is the most common complication of Covid-19. There are also asymptomatic cases, that is, patients have no apparent symptoms despite detection of the virus.

People most at risk

Those most at risk are the elderly and those with other health problems such ashigh blood pressure, heart problems and diabetes. The mortality rate increases with age: it is 0.2% for the youngest people (from 10 to 39 years old), but reaches 14.8% for people aged 80 and over. The average mortality rate is estimated between 1 and 3%.

Treatment of Covid-19 disease

There is currently no treatment capable of eradicating the virus. Patient care is only intended to treat symptoms. Researchers Around The World Explore Many Ways To Find A Medicine antiviral or one vaccine, Without convincing results to date. The antibiotics are ineffective against viral infections, as are some traditional herbal or food remedies.

In about 80% of cases, patients recover spontaneously, without needing any special treatment. The most serious cases are managed in intensive care units in the hospital where they are closely monitored.

Prevention measures to prevent the spread of the epidemic

According to WHO, the means of prevention effective in not contracting Covid-19, but also in preventing its spread, are:

• frequent hand washing with soap or an alcoholic solution;
• avoid close contact, such as kissing or shaking hands, with people who cough or sneeze;
• cover your mouth with the crease of the elbow, or a disposable handkerchief, when coughing or sneezing;
• don't touch them eyes, the nose or mouth;
• in case of respiratory symptoms and fever, wear a mask and stay confined so as not to contaminate those around you. Call your doctor and follow their instructions.