Day 19:Р’В Patients may see their shortness of breath resolve on this day, according to a Wuhan study.

Day 17-21: On average, people in Wuhan either recovered from the virus and were discharged from the hospital or passed away after 2.5 to 3 weeks.Day 16: Patients may see their coughs resolve on this day, according to a Wuhan study.Recovered patients may see their fevers resolve after 12 days. One Wuhan study found that it took 12 days, on average, before patients were admitted to the ICU. Day 12: In some cases, patients don't develop ARDS until nearly two weeks after their illness started.These patients probably have more abdominal pain and appetite loss than patients with milder cases. Days 10-11: If patients have worsening symptoms, this is the time in the disease's progression when they're likely to be admitted to the ICU.Day 9: Some Wuhan patients developed sepsis, an infection caused by an aggressive immune response, on this day.Day 8: By this point, patients with severe cases will have most likely developed shortness of breath, pneumonia, or acute respiratory distress syndrome, an illness that may require intubation.Other Wuhan patients developed shortness of breath on this day. Day 7: This is how long it took, on average, for some patients in WuhanР’В to be admitted to the hospital after their symptoms started.Patients may have difficulty breathing, especially if they are older or have a preexisting health condition. Day 5: In severe cases, symptoms could start to worsen.A study of more than 550 hospitals across China also found that hospitalized patients developed pneumonia on the third day of their illness. Day 3: This is how long it took, on average, before patients in WenzhouР’В were admitted to the hospital after their symptoms started.A minority may have had diarrhea or nausea one or two days before this, which could be a sign of a more severe infection. Patients usually experience a fever, followed by a cough. During that time, an infected person likely won't yet know they're sick, but evidence shows they could transmit the virus during the presymptomatic phase.Р”Р„fter observing thousands of patients during China's outbreak earlier this year, hospitals there identified a pattern of symptoms among COVID-19 patients: The virus' median incubation period is about four to five days, according to the Centers for Disease Control and Prevention. Patients with severe infections tend to develop difficulty breathing - one of the virus' hallmark symptoms - around five days after symptoms start.Р”В«ut symptoms generally don't appear right after a person has been infected. They're often followed by a sore throat, headache, muscle aches and pains, nausea, or diarrhea (though in severe cases, gastrointestinal issues can appear earlier in the course of an infection).

And only 20% of symptomatic cases become severe or critical.Р”Р„mong patients who develop symptoms, a fever and cough are usually the first to arrive. As doctors observe a growing number of coronavirus patients, they've identified a few patterns in how typical symptoms progress.Р”Р„s many as 40% of coronavirus cases are asymptomatic, according to the Centers for Disease Control and Prevention.

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