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As coronavirus has quickly spread across the world, so too has the use of face masks. During a pandemic, putting on a mask may be the first thing you think to do in order to protect yourself. But public health researchers have no concrete evidence yet that masks alone significantly reduce a healthy person’s chances of getting sick.And if healthy people buy and use up large quantities of masks, there won't be enough for sick people, who are mostly likely to spread the disease, or for frontline health workers, who more frequently come into contact with the COVID-19 virus as they care for the severely ill. Experts estimate health care systems in the US will need 3.5 billion masks -- quite a bit more than than the national stockpile of about 42 million. But if every person in the U.S. were to wear one mask each day, we'd need a supply nearing 10 billion for just one month. "The most important use of masks is for our health care workers," Dr. Tom Frieden, the president and CEO of Resolve to Save Lives and former head of the Centers for Disease Control and Prevention, tells Newsy. "That will protect them, so they're there for us. And it will protect other patients as well, preventing them from getting infected."The CDC only recommends that people who are sick and their caregivers wear masks. When masks are unavailable, a scarf or bandana can be used. But more importantly, Frieden urges sick people to just stay home. "If you're sick, don't go out. Don't expose others. Even if you're only mildly sick, your illness may kill somebody else." 1568

Bernie Sanders releases a statement on Hillary Clinton’s comments: “My focus today is on a monumental moment in American history: the impeachment trial of Donald Trump. Together, we are going to go forward and defeat the most dangerous president in American history.”— Holly Otterbein (@hollyotterbein) January 21, 2020 331

CALIFORNIA — The mother of a 5-year-old girl named "Abcde" says A Southwest Airlines gate worker took a photo of the child's boarding pass and posted it to social media to mock the name.The incident happened at Orange County, California's John Wayne Airport. Traci Redford, the mother, said the gate agent laughed during the incident.The family was pre-boarding because Abcde has epilepsy, the Associated Press reports.Her name is pronounced "AHB-sih-dee."Southwest Airlines issued a statement apologizing for the incident and has followed up with the employee, the AP reports. 594

As voters head to the polls Tuesday, Arizona is facing the possibility of Tucson being the state's first sanctuary city should Proposition 205 pass.But what is a "sanctuary city" and what does Proposition 205 outline exactly? Let's break it down.What is a sanctuary city?First, there is no single definition that applies to sanctuary cities and how they operate. But, in broad terms, a sanctuary city is a local jurisdiction — it can be a city, county or even a state — that limits cooperation with federal immigration authorities, 544

At least 28 people are dead and another 28 are injured after a tour bus crashed on Portugal's Madeira Island.Most of the casualties were German, Carmo Silva, a press officer for the Regional Health Department told CNN. In total, 56 people were on board the bus when it crashed, she said.Claudia Veloso, a spokeswoman for Portugal's Interior Minister, confirmed that 28 people had died."The German Embassy in Lisbon is talking to local authorities and there possibly are German fatalities, but we cannot confirm at this moment," a German Foreign Ministry spokesperson told CNN.According to Silva, the bus was going down a steep road, when it lost control and went down a cliff. The cause of the crash was not yet clear, she said.Portuguese Prime Minister Antonio Costa 780