How COVID-19 compares to seasonal flu, and why you should take it seriously

flu

(Kelly Sikkema, Unsplash)

This article is brought to you thanks to the collaboration of The European Sting with the World Economic Forum.

Author: Darren Thackeray, Writer, Formative Content


  • The World Health Organization declared the coronavirus a pandemic on March 11.
  • Since the virus was first identified in Wuhan, China, it has infected more than 870,000 worldwide and killed more than 43,000.
  • The new coronavirus has a higher fatality rate than seasonal influenza and is more contagious.

The new coronavirus outbreak was declared a pandemic by the World Health Organization (WHO) on March 11. Since then, it’s spread to almost every continent in the world, with more than 870,000 confirmed cases and more than 43,000 deaths, as of 1 April.

The US is currently experiencing the brunt of the outbreak, with more than 189,000 confirmed cases, followed by Italy with more than 105,000, as of 1 April. Spain and Germany are close behind, and cases in many other countries, including Iran, France and the UK, are increasing daily.

 

First reports of symptoms appeared on December 8, 2019, in Wuhan, China. By the end of the year, the WHO had been alerted about several cases of pneumonia in the province.

The novel coronavirus, later named COVID-19, was identified on January 7, 2020, just days before it caused China’s first reported death.

Coronavirus china virus health healthcare who world health organization disease deaths pandemic epidemic worries concerns Health virus contagious contagion viruses diseases disease lab laboratory doctor health dr nurse medical medicine drugs vaccines vaccinations inoculations technology testing test medicinal biotechnology biotech biology chemistry physics microscope research influenza flu cold common cold bug risk symptomes respiratory china iran italy europe asia america south america north washing hands wash hands coughs sneezes spread spreading precaution precautions health warning covid 19 cov SARS 2019ncov wuhan sarscow wuhanpneumonia  pneumonia outbreak patients unhealthy fatality mortality elderly old elder age serious death deathly deadly
The coronavirus timeline.
Image: Avetta

Severity

There is a misconception that COVID-19 is no different from common seasonal influenza. Both cause respiratory disease and are transmitted through contact, respiratory droplets and fomites (surfaces that harbour the virus following contact with an infected human).

But they vary drastically in severity. According to the WHO (based on the current available data), 80% of COVID-19 infections are mild or asymptomatic, 15% are severe (requiring oxygen) and 5% are critical (requiring ventilation). These figures are considerably higher than what is typically observed in flu.

What is the World Economic Forum doing about the coronavirus outbreak?

A new strain of Coronavirus, COVID 19, is spreading around the world, causing deaths and major disruption to the global economy.

Responding to this crisis requires global cooperation among governments, international organizations and the business community, which is at the centre of the World Economic Forum’s mission as the International Organization for Public-Private Cooperation.

The Forum has created the COVID Action Platform, a global platform to convene the business community for collective action, protect people’s livelihoods and facilitate business continuity, and mobilize support for the COVID-19 response. The platform is created with the support of the World Health Organization and is open to all businesses and industry groups, as well as other stakeholders, aiming to integrate and inform joint action.

As an organization, the Forum has a track record of supporting efforts to contain epidemics. In 2017, at our Annual Meeting, the Coalition for Epidemic Preparedness Innovations (CEPI) was launched – bringing together experts from government, business, health, academia and civil society to accelerate the development of vaccines. CEPI is currently supporting the race to develop a vaccine against this strand of the coronavirus.

Lethality

The speed of transmission is very important when assessing the deadliness of a virus. Influenza has a shorter incubation period (the time between infection and the onset of symptoms), so it can be diagnosed and treated more quickly.

While influenza has a shorter serial interval (the time between successive cases) and therefore spreads more easily, COVID-19 has a higher reproductive number – meaning infected individuals pass the virus onto a higher number of people.

COVID-19 is also more deadly than seasonal influenza. The crude mortality rate for COVID-19, based on confirmed cases to date, is currently estimated by the WHO to be between 3-4%, with seasonal influenza sitting well below 0.1%. However, it is important to note that these figures are heavily influenced by the availability of quality healthcare, and by case data.

Coronavirus china virus health healthcare who world health organization disease deaths pandemic epidemic worries concerns Health virus contagious contagion viruses diseases disease lab laboratory doctor health dr nurse medical medicine drugs vaccines vaccinations inoculations technology testing test medicinal biotechnology biotech biology chemistry physics microscope research influenza flu cold common cold bug risk symptomes respiratory china iran italy europe asia america south america north washing hands wash hands coughs sneezes spread spreading precaution precautions health warning covid 19 cov SARS 2019ncov wuhan sarscow wuhanpneumonia  pneumonia outbreak patients unhealthy fatality mortality elderly old elder age serious death deathly deadly
Washing your hands is one of the most affective ways to curtail the spread of coronavirus.
Image: WHO

Defence

Currently, our best line of defence against COVID-19 is to limit its spread, reducing the strain on healthcare systems. This is referred to as “flattening the curve”, avoiding a single spike of infections which would create an impossible demand for oxygen, ventilators and ICU (intensive care unit) beds.

In order to slow infection rates, the WHO recommends stringent social distancing measures and frequent handwashing. Many countries, including the UK, US, France, Italy and India, have gone into “lockdown”, prohibiting all but essential travel and telling people to stay at home.

Global unified action is required to combat the new coronavirus effectively. The World Economic Forum’s COVID Action Platform aims to facilitate this, galvanizing the global business community for collective action, and mobilizing support for the COVID-19 response.

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