Coronavirus maps and cases: the global spread
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CASES BY COUNTRY
TREND BY COUNTRY
DEATHS FROM COVID-19
DAILY DEATHS BY COUNTRY
COVID-19 TEST COVERAGE
ALL THE DATA
The symptoms of COVID-19
The WHO described the symptoms of 55,924 laboratory confirmed cases of COVID-19 in China since February 20.20. The chart here shows all this data. It is extremely crucial to understand the most common symptoms: fever and a dry cough. Almost 90% of cases had a fever and two-thirds had a dry cough. Almost 40% of cases suffered from fatigue, the third most common symptom. Almost 30% of cases experienced ‘sputum production. Sputum is not saliva but a thick mucus which is coughed up from the lungs. As you can understand, the most common symptoms are shared with those of the common cold or flu. So it is better to understand which common symptoms of the common flu or the common cold are not symptoms of COVID-19. COVID-19 infection seems to rarely cause a runny nose.
COVID-19 fatality rate by age
The case fatality rate (CFR) showed here is useful for understanding the danger of an outbreak, but does not tell us who is most at risk within the population. But understanding the relative risk to different section of population is crucial and allow us to focus on the most vulnerable, and allocate health resource to those who need them most. The Chinese Center for Disease Control and Prevention has published this analysis of recorded cases and deaths in China since 11 February 2020 which provides the CFR by specific demographics (age, sex, preexisting condition etc.). Elderly are more at risk: 14.8% of over 80 years and older died after being infected by COVID-19. Otherwise the CFR for children and young people is much lower, and especially there were no reported deaths in children under 10 years old.
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