Science

A man wears a mask while crossing in front of the Stockton Street Tunnel in San Francisco, Sunday, March 29, 2020. Californians endured a weekend of stepped-up restrictions aimed at keeping them home as much as possible while hospitals and health officials scrambled Sunday to ready themselves for a week that could see the feared dramatic surge in coronavirus cases. (AP Photo/Jeff Chiu)
March 31, 2020 - 7:58 pm
WASHINGTON (AP) — If you’re not sick with the new coronavirus, should you wear a mask in public? Global health authorities say no. Amid a shortage of masks, the U.S. is sticking with that advice but Tuesday, President Donald Trump suggested people who are worried wear a scarf. That shortage is so...
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Ffirefighters wearing protective suits wait outside a nursing home before disinfecting it in efforts to prevent the spread of the new coronavirus in Barcelona, Spain, Monday, March 30, 2020. Governments in Europe's hardest-hit countries have yet to systematically test the residents of nursing homes or those who receive in-home care. In Spain, Italy and France, which together account for a third of the world's confirmed coronavirus cases, no one knows for sure how many people have become sick and died of coronavirus, especially among the elderly. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Felipe Dana)
March 31, 2020 - 5:56 pm
PARIS (AP) — One by one, elderly residents of French nursing homes are going into forced isolation into their rooms. Their caregivers are walling themselves in as well. They are running out of body bags. But no one knows for sure how many people have become sick. Governments in Europe's hardest-hit...
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A view of an empty Red square, with the St. Basil's Cathedral, center, and Kremlin's Spasskaya Tower, right, in Moscow, Russia, Monday, March 30, 2020. Moscow Mayor Sergei Sobyanin ordered all city residents except for those working in essential sectors to stay home starting Monday. Residents are allowed to buy food and medicines at nearby stores and pharmacies and walk their dogs in close vicinity. (AP Photo/Pavel Golovkin)
March 30, 2020 - 2:03 pm
MOSCOW (AP) — The Russian capital, Moscow, on Monday woke up to a lockdown obliging most of its 13 million residents to stay home, and many other regions of the vast country quickly followed suit to stem the spread of the new coronavirus. A stern-looking President Vladimir Putin warned his envoys...
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A paramedic transports a patient into the Trauma Center at the Elmhurst Hospital Center, Sunday, March 29, 2020, in the Queens borough of New York. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Mary Altaffer)
March 29, 2020 - 9:51 pm
NEW YORK (AP) — New York state's death toll from the coronavirus outbreak climbed Sunday above 1,000, less than a month after the first known infection in the state. Most of those deaths have come in just the past few days. New York City reported in the evening that its toll had risen to 776. The...
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South African National Defence Forces take up positions outside the hostel in a densely populated Alexandra township east of Johannesburg, South Africa, Saturday, March 28, 2020. South Africa went into a nationwide lockdown for 21 days in an effort to control the spread of the COVID-19 coronavirus. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Themba Hadebe)
March 28, 2020 - 3:47 pm
JOHANNESBURG (AP) — Police fired tear gas at a crowd of Kenyan ferry commuters as the country’s first day of a coronavirus curfew slid into chaos. Elsewhere, officers were captured in mobile phone footage whacking people with batons. Virus prevention measures have taken a violent turn in parts of...
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FILE - This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the virus that causes COVID-19. The sample was isolated from a patient in the U.S. Some political leaders are hailing a potential breakthrough in the fight against COVID-19: simple pin-prick blood tests or nasal swabs that can determine within minutes if someone has, or previously had, the virus. But some scientists have challenged their accuracy. (NIAID-RML via AP)
March 27, 2020 - 2:47 pm
MADRID (AP) — Some political leaders are hailing a potential breakthrough in the fight against COVID-19: simple pin-prick blood tests or nasal swabs that can determine within minutes if someone has, or previously had, the virus. The tests could reveal the true extent of the outbreak and help...
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This combination photo shows actors, from left, Laurence Fishburne, Matt Damon and Kate Winslet, who are among the stars of the 2011 thriller “Contagion” who have reunited for a series of public service announcements to warn about COVID-19. They have teamed up with scientists from Columbia University's Mailman School of Public Health to offer four individual homemade videos. (AP Photo)
March 27, 2020 - 2:24 pm
NEW YORK (AP) — The stars of the 2011 virus thriller “Contagion” — a prescient film these days — have reunited for a series of public service announcements to warn about COVID-19. Matt Damon, Laurence Fishburne, Kate Winslet and Jennifer Ehle have teamed up with scientists from Columbia University'...
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FILE - In this Wednesday, March 25, 2020 file photo Britain's Prime Minister Boris Johnson leaves 10 Downing Street for the House of Commons for his weekly Prime Ministers Questions, in London. British Prime Minister Boris Johnson has tested positive for the new coronavirus. Johnson's office said Friday March 27, 2020 that he was tested after showing mild symptoms, Downing St. says Johnson is self-isolating and continuing to lead the country's response to COVID-19. (AP Photo/Matt Dunham, File)
March 27, 2020 - 1:01 pm
LONDON (AP) — British Prime Minister Boris Johnson has tested positive for the new coronavirus, the first leader of a major nation to contract COVID-19, but he insisted Friday that he remains in charge of the U.K.'s response to the outbreak. Two of Johnson's top aides in the fight against the virus...
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FILE - In this March 23, 2020 file photo, coffins are placed on scaffolding in the Crematorium Temple of Piacenza, northern Italy, awaiting cremation due to the coronavirus emergency. Italy is seeing a slight stabilizing in its confirmed coronavirus infections two weeks into the world’s most extreme nationwide shutdown, but the virus is taking its silent spread south after having ravaged the health care system in the north. For most people, the new coronavirus causes only mild or moderate symptoms. For some it can cause more severe illness, especially in older adults and people with existing health problems. (Claudio Furlan/LaPresse via AP)
March 27, 2020 - 11:19 am
ROME (AP) — Doctors and nurses in Italy's overwhelmed northern hospitals have welcomed a slight stabilizing in the number of coronavirus infections but fear the virus is still silently spreading in the south two weeks into the West's most extreme nationwide shutdown. As the dead in Italy keep...
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In this photo released by Saudi Press Agency, SPA, Saudi King Salman, chairs a video call of world leaders from the Group of 20 and other international bodies and organizations, from his office in Riyadh, Saudi Arabia, Thursday, March 26, 2020. The meeting is aimed at coordinating the global response to the fast-spreading coronavirus, which has shuttered businesses and forced well over a quarter of the world's population into home isolation. (Saudi Press Agency via AP)
March 26, 2020 - 2:25 pm
DUBAI, United Arab Emirates (AP) — The head of the United Nations told leaders of the world’s 20 major industrialized nations during an emergency virtual summit Thursday that "we are at war with a virus – and not winning it” despite dramatic measures by countries to seal their borders, shutter...
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