Tedros Adhanom Ghebreyesus said this was in contrast to the 67 days it has taken to reach 100,000 infected people since the first reported case of COVID-19.
Further “aggressive” measures are needed, warned the head of the United Nations on Tuesday, if the world should control the virus.
More than 400,000 people worldwide are infected with coronavirus, resulting in 18,500 deaths. In Australia, 2044 people suffer from the disease with eight deaths.
The first case of COVID-19 was in the Chinese city of Wuhan in late December last year when the first person died on January 11.
After the 67 days it took to reach 100,000 cases, it took only 11 days for another 100,000 people to become infected.
“(It was) only four days for the third 100,000 cases. You can see the virus speed up, ”said Dr. Tedros on Tuesday.
“But we are not a prisoner of statistics. We are not a helpless spectator. We can change the course of this pandemic.”
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“To win, we need to attack the virus with aggressive and targeted tactics – test every suspicious case, isolate and maintain every confirmed case, and track and quarantine every close contact,” he said.
The number of new infections in Italy has decreased in recent days, although the death rate has decreased. In China, millions of people in lockdown have loosening restrictions because the spread has almost stopped.
However, infections have crept in in recent days, which Chinese officials say are the result of the return of citizens who introduced the virus.
Dr. Tedros said he wanted the G20 group of industrialized nations, including Australia, to increase the production of health worker devices. You should also make sure that the equipment is not all stored domestically or stored by citizens, but to regions around the world where it is urgently needed to slow the spread of the virus.