It start with a pyrexia . That ’s the most common symptom among patients infect by the coronavirus pandemic sweeping the earth .

The computer virus , which causes a disease known as COVID-19 , has now reached more than 150 rural area . The US hasreported more than 8,000 cases and nearly 129 deaths .

Astudy of nigh 140 patientsat the Zhongnan Hospital of Wuhan University identified a distinctive pattern of symptom consort with   COVID-19 . About 99 % of the patient developed a high temperature , while more than half experient weariness and a dry coughing . About a third also experienced brawniness pain and difficulty breathing .

enquiry from the Chinese Center for Disease Control suggests thatabout 80 % of coronavirus cases are mild . About 15 % of patients have commence life-threatening cases , and 5 % have become critically sick .

Here ’s how symptom progress among distinctive patients :

The first symptoms , however , may not occur right after a person has been infected . The virus’average incubation period is about five days .

Once symptoms do appear , they can be similar to those of pneumonia . But Paras Lakhani , a radiotherapist at Thomas Jefferson University , tell Business Insider that COVID-19 can be distinguish from pneumonia because of the way it aggravate over time .

" Pneumonia usually does n’t chop-chop progress , " Lakhani said . " Typically , most infirmary will address with antibiotic drug and patient will stabilize and then begin to get good . "

Coronavirus patient , however , can get sorry even after they receive discourse such as fluids or steroids . One case study rule that three days after a33 - year - one-time cleaning lady started receive treatmentat a hospital in Lanzhou , her case was more pronounced than when she make it .

In totality , the raw coronavirus has kill more than 8,200 people and infected more than 204,000 . The bit of   cases reported outside China has now stand out those reported within the land , where the computer virus rise in December .

Read next on Business Insider : One chart shows different countries ' current coronavirus end pace , based on the known number of case and deaths