February 5, 2020: The CDC Sends Out COVID-19 Testing Kits Later Revealed to Be DefectiveДЄfter a sluggish start, the CDC begins to roll out coronavirus testing kits to state and local labs - tests that are soon revealed to be faulty. By the time passengers are allowed off the ship, on February 23, confirmed cases have risen to 691 and two people have died, according to an account published in March 2020 in the journal Disaster Medicine and Public Health Preparedness. Japanese authorities order the ship to remain at Yokohama port upon arrival, with none of the 2,666 passengers and 1,045 crew members permitted to leave. January 22, 2020: The WHO Announces Evidence of Human-to-Human TransmissionДuring a field visit to China, WHO officials determine that the coronavirus can spread between people.ДЄ COVID-19 case is confirmed in Hong Kong on February 1: A patient with COVID-19 symptoms who disembarked from the Diamond Princess en route to Yokohama, Japan, on January 25. Health officials in the United States still donвЂ™t have much information regarding how the virus spreads, and the general consensus is that it likely moves from animals to humans, with very limited human-to-human transmission. January 21, 2020: The CDC Confirms the First Case of COVID-19 in the United StatesДЄ 35-year-old man living in Washington state is the first in the United States to test positive for the coronavirus six days after his return from Wuhan, says the CDC.

Later, the WHO will identify the Huanan market - a вЂњwetвЂќ market that sells live animals - as the source of the coronavirus. Local authorities are able to report that some patients work at the Huanan Seafood market. The officials arenвЂ™t able to identify the origin of the outbreak, and by January 3, 2020, 44 people are sick. On the last day of 2019, health officials in Wuhan, China, notify the World Health Organization (WHO) China Country Office of a cluster of pneumonia-like illnesses in the Hubei Province.

December 31, 2019: In China, the Wuhan Municipal Health Commission Reports the First Clusters of Pneumonia-Like Illness milestones in the pandemicвЂ™s first year, where we stand now, and the challenges ahead. HereвЂ™s a look back at the most significant U.S. The development of these highly effective vaccines is вЂњa great scientific tour de force,вЂќ according to Thomas Russo, MD, chief of infectious disease at the University of Buffalo Jacobs School of Medicine and Biomedical Sciences in New York. The year has been one of unspeakable tragedy, but also hope with the arrival of the first COVID-19 vaccines. Nearly half a million have died, more than in any other country in the world. Since then, close to 28 million Americans have been infected with the novel (new) coronavirus, officially known as SARS-CoV-2, according to the latest data from Johns Hopkins University. On February 20, 2020, the Centers for Disease Control and Prevention (CDC) announced that the first person in the United States had died from COVID-19 - a man in his fifties living in Washington state.

Covid symptom timeline