2015 Event Survivors of the Ebola virus in West Africa are now experiencing medical problems, such as joint pain and eye inflammation, which are sometimes so severe that the survivors are unable to work 2015 Event The World Health Organization declares Liberia free of the Ebola virus after a period of 42 days with no new cases, which is twice the normal quarantine duration; over 4,700 people perished in the nation during the epidemic 2015 Event The last Ebola patient in Liberia, a 58-year-old English teacher, has been released; the nation will be declared Ebola-free by the World Health Organization if no new cases of the virus emerge in the next 42 days 2015 Event Sierra Leone Vice President Samuel Sam-Sumana is entering a voluntary 21-day quarantine after one of his bodyguards dies of Ebola; spread of the virus has been slowing, but a recent increase in infections has led to new calls for precaution 2014 Event A live Ebola sample is mistakenly sent to a U.S. Centers for Disease Control laboratory that does not meet safety and security standards for handling the virus; a laboratory worker is being monitored for 21 days due to potential exposure 2014 Event South Korea bans poultry from the U.S. due to potential bird flu concerns; South Korea is working to contain the spread of the virus among its own avian population 2014 Event Sierra Leone has expanded the regions of the country subject to quarantine as the Ebola virus continues to spread; over 7,000 people in the nation have been infected and over 1,500 have died to date 2014 Event The foundation set up by Bill and Melinda Gates will provide funding to research and test various treatments for the Ebola virus, including vaccines and blood plasma therapy 2014 Event A bird flu outbreak has been identified on three poultry farms in the Netherlands; though current tests show the virus strain to pose a low risk to humans, infected birds will be slaughtered 2014 Event Martin Salia, a U.S. doctor working in Sierra Leone, is being stabilized for transport to a Nebraska hospital after contracting the Ebola virus; Salia was not working in a hospital treating the virus, and the source of his infection is not clear 2014 Event Craig Spencer, a U.S. doctor who served with Doctors Without Borders, is now in stable condition after contracting Ebola; Spencer began showing symptoms of the virus a day after commuting to various locations around New York City 2014 Event A court has ruled that Kaci Hickox, the Maine nurse who has fought against requirements to quarantine herself due to her contact in West Africa with Ebola patients, will not have to restrict her movements; Hickox has shown no signs of the virus 2014 Event Kaci Hickox, the first person held under New Jersey's new quarantine provisions for those who have worked with Ebola patients, speaks out to protest the conditions of her confinement at a local hospital; Hickox has tested negative for the virus 2014 Event A Dallas hospital worker who treated deceased Ebola victim Thomas Eric Duncan has herself contracted the virus despite wearing protective gear; the Centers for Disease Control states that her infection results from a breach in protocol 2014 Event A Liberian man has been identified as the first U.S. case of Ebola; the man was initially misdiagnosed at a hospital in Dallas, Texas, but the virus was found after he was hospitalized for his worsening condition 2014 Event Dr. Kent Brantly and Nancy Writebol, American aid workers who contracted the Ebola virus in Liberia and returned to the U.S. for treatment, have been released and declared fully recovered 2014 Event Residents of the West Point shantytown in Monrovia, Nigeria loot an Ebola quarantine center, stealing items that include contaminated bedsheets; patients flee during the raid, raising the risk of spreading the virus among the 50,000 slum inhabitants 2014 Event Medical worker Nancy Writebol, the second of two Americans to contract the Ebola virus in Liberia, joins Dr. Kent Brantly at Emory University Hospital for treatment; both patients are receiving an experimental drug that has not been tested on humans 2014 Event Dr. Kent Brantly, one of two American medical workers who contracted the Ebola virus in Liberia, arrives in the U.S. for treatment in isolation at Emory University Hospital; the virus has already claimed hundreds of lives in West Africa 2014 Event Tennis champion Serena Williams beats Karolina Pliskova in her first game since leaving the Wimbledon games on July 1st due to illness; Williams will undergo future medical tests to confirm whether the illness was caused by a virus 2014 Event Dr. Sheik Umar Khan, the key Sierra Leone doctor fighting the Ebola virus, dies after succumbing to the disease 2014 Event Researchers announce a new orally-administered drug that may cure Hepatitis C; 90 percent of patients in trials were declared free of the virus after 12 weeks 2014 Event The world's largest virus to date is discovered in 30,000-year-old Siberian ice; the ancient virus is still able to infect amoebae, its target hosts 2014 Event Royal Caribbean's cruise liner, Explorer of the Seas, returns to port after 700 of its 3,050 passengers become ill with gastroenteritis; the illness is suspected to be the Novovirus, a variant strain of the species Norwalk virus 2013 Event The first human case of the H6N1 virus is discovered in Taiwan 2013 Event In Beijing, China, a seven-year old girl is confirmed as the first person in the country to catch the Influenza A virus subtype H7N9 bird flu 2013 Event A 2-year old Mississippi girl born with HIV/AIDS is pronounced HIV negative after receiving treatment for the virus within 30 hours after her birth 2012 Event The novel coronavirus alert is lifted by the World Health Organization after they determine the virus, which originated in Saudi Arabia, is not highly contagious 2012 Event A novel corona virus found in a Qatari man returning from Saudi Arabia is investigated by the World Health Organization, prompting the announcement of a global alert 2012 Event At least 20 people due from the Ebola virus disease in the Democratic Republic of Congo 2012 Event Dallas, Texas Mayor Mike Rawlings declares a state of emergency after an outbreak of West Nile Virus kills at least 17 people; the city plans to combat the mosquitoes with aerial spraying of pyrethroid insecticides 2012 Event A temporary fix to the Internet Doomsday virus created by the Federal Bureau of Investigation expires, causing thousands of computer users across the globe to lose Internet access 2012 Event Fears over bioterrorism cause top international virologists agree to halt work on a more virulent strain of H5N1 influenza virus 2011 Event The Hendra virus is detected in a dog in Queensland, Australia near the Beaudesert; the virus has never before been detected in anything other than flying foxes, horses or humans 2011 Event Following an outbreak of Hendra virus, Maylaysia delcares a ban the import of horses from Australia 1995 Event Kinshasa, Zaire under quarantine after an outbreak of Ebola virus 1991 Event Magic Johnson announces he has HIV virus and retires from Los Angeles Lakers 1989 Event U.S. computer security expert warns of catastrophic virus 1989 Event "Friday the 13th" virus strikes hundreds of IBM computers in Britain 1989 Event Computers across Britain hit by "Friday the 13th" virus 1988 Event Computers virus strikes Pentagon, SDI research lab and 6 universities 1984 Event Hepatitis virus is discovered 1984 Event Centers for Disease Control says virus discovered in France causes AIDS 1955 Event 1st virus crystallized (announced) 1955 Event Clarton-Schwerdt and Schaffer discover polio virus 1955 Event 1st separation of virus into component parts reported 1904 Birthday Wendell Stanley, biochemist, 1st to crystallize a virus, Nobel 1946
