Coronavirus three times deadlier than flu, leads to more respiratory complications: Study

A recent study published in Lancet Respiratory Medicine Journal shows that dely vel coronavirus is much worse than seasonal flu as it is three times more delier. As a part of study, a nationwide retrospective was done using French national ministrative database that included discharge summaries for all hospital missions in France. In study, all patients hospitalised for COVID-19 from March 1 to April 30, 2020, and all patients hospitalised for influenza between Dec 1, 2018, and Feb 28, 2019, were included.

Flu delier than Covid-19 

According to study, diagsis of COVID-19 or influenza comprised primary, related, or associated diagsis. re were comparisons of various risks associated with virus. Clinical characteristics, and outcomes between patients hospitalised for COVID-19 and influenza were also done. Funded by French National Research ncy, it was observed that presentation of patients with COVID-19 and seasonal influenza were different. study says, “Severe acute respiratory syndrome coronavirus 2 is likely to have a higher potential for respiratory pathogenicity, leing to more respiratory complications and to higher mortality. In children, although rate of hospitalisation for COVID-19 appears to be lower than for influenza, in-hospital mortality is higher; however, low patient numbers limit this finding”. 

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(Intensive care support and mortality of patients hospitalised in France for COVID-19 or seasonal influenza, by at mission. Date are for patients who were hospitalised for COVID-19 between March 1 and April 30, 2020, and for patients who were hospitalised for seasonal influenza between Dec 1, 2018, and Feb 28, 2019. Im Credits: Lancet.com)

(Intensive care support and mortality of children younger than 18 years hospitalised in France for COVID-19 or seasonal influenza, by at mission. Date are for patients who were hospitalised for COVID-19 between March 1 and April 30, 2020, and for patients who were hospitalised for seasonal influenza between Dec 1, 2018, and Feb 28, 2019. Im Credits: Lancet.com)

As a part of study, a total of 89,530 patients with COVID-19 and 45,819 patients with influenza were hospitalised in France. aver of people was 68 years for COVID-19 and 71 years for influenza. It was observed that patients with COVID-19 were more frequently obese or overweight, and more frequently h diabetes, hypertension, and dyslipidaemia than patients with influenza. However, those with influenza frequently h heart failure, chronic respiratory disease, cirrhosis, and deficiency anaemia. 

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Also, patients with COVID-19 frequently developed  acute respiratory failure, pulmonary embolism, septic shock, or haemorrhagic stroke than patients with influenza, but less frequently developed myocardial infarction or atrial fibrillation. mortality rate was higher in patients with COVID-19 than in patients with influenza. Also, in olescents,  mortality rate was ten-times higher for COVID-19 than for influenza. It was also observed that patients with COVID-19 were more frequently obese or overweight.

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(Im Credits: Unsplash)