The World Health Organization (WHO) has declared a global health emergency for a period new coronavirus, which causes a disease officially known as COVID-19 that killed more than 2,800 people worldwide.
Below is a timeline.
In December 31th Last year, China alerted the WHO to several cases of unusual pneumonia in Wuhan, a port city of 11 million people in central Hubei province. The virus was unknown.
Several of those infected worked at the Huanan Wholesale Seafood Market, which was closed January, 1st.
While health experts were working to identify the virus amid rising alarms, the number of infections exceeded 40.
In January 5, Chinese authorities ruled out the possibility that this was a recurrence of the severe acute respiratory syndrome virus (SARS) – a disease that originated in China and that killed more than 770 people worldwide in 2002-2003.
In January 7th, the authorities announced that they had identified a new virus, according to the WHO. The new virus was named 2019-nCoV and has been identified as belonging to the coronavirus family, which includes SARS and the common cold.
Coronaviruses are common and spread by being close to an infected person and inhaling droplets generated when they cough or sneeze, or by touching a surface where these droplets land and then touching the face or nose.
In January 11, China announced his first death of the virus, a 61-year-old man who had bought goods at the seafood market. The treatment did not improve the symptoms after he was admitted and died of heart failure on the night of January 9.
In January 13, WHO reported a case in Thailand, the first outside China, in a woman who had arrived from Wuhan.
In January 16, Ministry of Health of Japan reported a confirmed case on a man who had also visited Wuhan.
In January 17, as a second death was reported in Wuhan, US health officials announced that three airports would begin to track passengers arriving from the city.
Authorities in the United States, Nepal, France, Australia, Malaysia, Singapore, South Korea, Vietnam and Taiwan confirmed cases in the following days.
In January 20, China recorded a third death and more than 200 infections, with cases also outside Hubei province, including in the capital Beijing, Shanghai and Shenzhen.
Meanwhile, a Chinese infectious disease specialist confirmed human-to-human transmission to the state broadcaster CCTV, increasing fear of a major outbreak as millions traveled for the Lunar New Year holiday.
asian countries reinforced measures block the spread of the virus by introducing mandatory airport scans of all arrivals from high-risk areas in China.
In January, 22th, the death toll in China jumped to 17 with more than 550 infections. Many European airports have stepped up checks on flights from Wuhan.
Wuhan was effectively quarantined in January 23rd as air and rail departures have been suspended.
The same measures have been announced for two more cities in Hubei province: Xiantao and Chibi.
Beijing canceled events for the Lunar New Year, starting on January 25, while officials reported the first death outside Hubei.
WHO later said January 23rd that the outbreak was not yet a public emergency of international interest and "there was no evidence" of the virus spreading among humans outside China.
Per January 24, the death toll in China was 26, with the government reporting more than 830 infections.
The number of blocked cities in Hubei has increased to 13, affecting 41 million people.
Shanghai Disneyland was closed and other cities announced the closure of entertainment venues. Beijing said a section of the Great Wall and other famous landmarks would also be closed.
In January 25th, travel restrictions were imposed on five more cities in Hubei, taking the total number of people affected to 56 million.
Meanwhile, Hong Kong declared a virus emergency, canceled the Lunar New Year celebrations and restricted links to mainland China.
In January 26, the death toll rose to 56, with almost 2,000 confirmed cases as travel restrictions increased and Hong Kong closed its Disneyland and Ocean Park theme parks.
New cases have been confirmed in the USA, Taiwan, Thailand, Japan and South Korea.
From January 27, the death toll in China rose to 106, with 100 in Hubei province, officials said. Another 4,515 people in China have been reported to be infected. There were 2,714 confirmed cases in Hubei province, against 1,423 the previous day.
In January 30, WHO declared coronavirus a global emergency when the death toll in China jumped to 170, with 7,711 cases reported in the country, where the virus has spread to all 31 provinces.
India and the Philippines confirmed their first cases of the virus, with an infected patient in each country.
In January 31sttThe number of confirmed cases in China jumped to 9,809. Russia, Spain, Sweden and the United Kingdom confirmed their first cases of the virus.
In February 1, the death toll in China rose to 259, with 11,791 infections confirmed in the country, according to new figures released by Chinese health officials.
New cases have been confirmed in Australia, Canada, Germany, Japan, Singapore, USA, United Arab Emirates and Vietnam.
From February 2 nd, the first death outside China, of a Chinese from Wuhan, has been reported in the Philippines.
The death toll in China rose to 304, with 14,380 infections reported.
In February 3, China recorded 57 new deaths, bringing its death toll to at least 361. The number of cases increased to 17,205 across the country.
In February 4th, China said the death toll had risen to 425 people and the number of infected people stood at 20,438 on the continent. Hong Kong also reported a death, bringing global deaths to 427. The first case was confirmed in Belgium in a person who was repatriated from Wuhan.
In February 5th, more flights that evacuated U.S. citizens returned from Wuhan and the WHO reaffirmed that "there was no known effective treatment" for coronavirus.
Meanwhile, China recorded 490 deaths and 24,324 cases of infection.
In February 6, the death toll in mainland China has increased to at least 563, with more than 28,000 confirmed cases.
Meanwhile, Malaysian authorities reported the first known male-to-male transmission and the number of people infected in Europe reached 30.
In February 7, Li Wenliang, a doctor who was one of the first to sound the coronavirus alarm, died and Hong Kong introduced prison sentences for anyone who violated the quarantine rules.
Mainland China has confirmed that the death toll has reached at least 636, with 31,161 cases of infection, and Chinese researchers have suggested that the pangolin may have been a link in the infection chain between animals and humans.
In February 8 a US citizen died in Wuhan.
A 60-year-old Japanese man suspected of having a coronavirus infection also died at the hospital in Wuhan, Japan's Ministry of Foreign Affairs said.
The death toll in China reached 722, with 34,546 infections confirmed.
In February 9, the number of deaths in China surpassed that of the SARS epidemic in 2002-03, with 811 registered deaths and 37,198 infections.
A research team led by WHO experts left for China.
From February, 10th, China had 908 confirmed deaths and a total of 40,171 infections – 97 new deaths were reported after the deadliest day of the outbreak.
President Xi Jinping appeared in public for the first time since the epidemic began, visiting a hospital in Beijing and asking for confidence in the battle against the virus.
In February 11 WHO announced that the new coronavirus would be called "COVID-19".
Meanwhile, deaths in China reached 1,016, with 42,638 infections recorded.
From February 12th, there were 175 infected people aboard the Diamond Princess ship, docked in Yokohama, the Japanese Ministry of Health reported.
The death toll in mainland China reached 1,113, with 44,653 infections recorded.
In February 13, North Korea imposed a one-month quarantine on all foreign visitors and other suspects of having COVID-19, the Korean Central News Agency reported.
The death toll in mainland China has reached 1,300, with almost 60,000 infections reported. Meanwhile, Japan confirmed its first death from the virus.
In February 14th, Egypt became the first country in Africa to report a case and France reported Europe's first death from the virus.
China recorded 121 more deaths, bringing the total number across the continent to almost 1,400.
February 15th the death toll in mainland China increased by 1,500, with 66,492 infections confirmed in mainland China.
Elsewhere, the United States has prepared to evacuate its citizens from a quarantined cruise ship at a Japanese dock.
Meanwhile, a February 3 speech by Chinese President Xi Jinping, published by state media, indicated that the government knew of the virus's threat long before the public alarm went off.
In February 16, Taiwan recorded its first death of a taxi driver in its 60s due to the coronavirus.
Authorities reported that 1,665 people died in mainland China, with 68,500 cases of infection.
From February 17, 1,770 deaths were recorded in mainland China and 70,548 cases.
Japan confirmed 99 new cases of the virus on board the cruise ship Diamond Princess in quarantine.
February 18th has seen China's daily infection numbers drop below 2,000 for the first time since January, with the country's health commission registering 72,436 infections on the continent and 1,868 deaths.
Meanwhile, Russia said it would ban Chinese citizens from February 20.
In February 19, Iran reported two deaths from the coronavirus, hours after confirming its first cases.
Daily infection numbers in China drop below 2,000 for the second consecutive day, with the country's health commission reporting 74,185 infections on the continent and 2,004 deaths.
In February 20th, South Korea reported its first death from the coronavirus.
Meanwhile, China reported that the death toll had increased to 2,118 while the total number of cases reached 74,576. The country's health commission reported that daily infections fell to the lowest level in almost a month, a result of officials counting only cases confirmed by genetic tests in Hubei.
In February 21st, South Korea recorded its second death and 100 new confirmed cases of coronavirus, bringing the total to 204. In mainland China, the number of deaths reached 2,236, with confirmed cases of infection above 75,400.
In addition, Israel reported its first confirmed case of coronavirus, after a woman who returned from a cruise ship tested positive.
In Italy, the Lombardy region recorded the first local transmission of the virus, with three new cases, bringing the total in the country to six infections.
In February 22, South Korea had its biggest peak in a single day, with 229 new cases of the virus.
Italy recorded its first two deaths, while Iran confirmed a fifth death out of 10 new infections. A sixth death was later confirmed, although it was not clear whether this case was included in the 28 confirmed cases in the country.
In mainland China, the number of new infections has dropped significantly with 397 reported cases.
February 23 I saw several countries close their borders with Iran as the number of infections and deaths in the country increased.
In Italy, authorities confirmed a third death, while local authorities led the Venice Carnival to close early and suspended sporting events in an attempt to combat the spread of the virus in the most affected country in Europe.
In February 24 Kuwait, Bahrain, Iraq, Afghanistan and Oman reported their first cases of the virus. Meanwhile, the number of cases in South Korea has increased to 833 cases, with seven deaths.
The death toll in China has increased to 2,595 out of 77,262 confirmed cases.
A seventh death has been reported in northern Italy.
In February 25 Iran's deputy health minister, who the previous day had received a news conference on the outbreak, confirmed that he had coronavirus. The country's official total reached 95 cases, with 15 deaths.
Meanwhile, reported cases in China continued to rise, with 518 new infections and 71 new confirmed deaths. South Korea's confirmed cases increased to 977, while those in Italy reached 229.
In February 26, the global number of deaths reached 2,800, with a total of about 80,000 confirmed cases of infection reported globally.
Norway, Romania, Greece, Georgia, Pakistan, North Macedonia and Brazil, all detected their first cases of coronavirus.
In February 27, Estonia, Denmark, Northern Ireland and the Netherlands reported their first cases of coronavirus. The number of infections has exceeded 82,000 worldwide, including more than 2,800 deaths.
Italy registered a peak of infections that jumped to 650, while 3 more people died with the death count now at 17.
Meanwhile, in the U.S., the government is considering invoking the Defense Production Act, which would give President Donald Trump the power to expand industrial production of materials or products essential to national security.