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SAN DIEGO, Calif. (KGTV) - An open letter to the World Health Organization titled “It is Time to Address Airborne Transmission of COVID-19” is signed by 239 scientists from 32 different countries and highlights the importance of acknowledging and protecting the public against the possibility that coronavirus can be spread through the air. One San Diego scientist who signed is from the UCSD Scripps Institution of Oceanography, Doctor Kim Prather.The idea shared is that COVID-19 can be spread from aerosols, which are particles that float in the air rather than dropping to the ground like a droplet. An infected person breathes out aerosols that are suspended in the air, then another person walks through that air and breathes it in.It’s no secret that heath officials have discussed the importance of good airflow to stop the spread, but this paper says leaders like the WHO are not recognizing the possibility that it is airborne and the “lack of clear recommendations on the control measures against the airborne virus will have significant consequences: people may think that they are fully protected by adhering to the current recommendations, but in fact, additional airborne interventions are needed for further reduction of infection risk.”Researchers say wearing masks and social distancing are important steps to stopping the spread, but want to also emphasize that other steps need to be taken to stop the spread through the air. Some steps for public places include getting better ventilation and decreases crowds. At home, people can open doors and windows and also use air purifiers to help. 1618

SAN FRANCISCO (AP) — A U.S. judge on Monday blocked the Trump administration's policy of returning asylum seekers to Mexico as they wait for an immigration court to hear their cases but the order won't immediately go into effect.Judge Richard Seeborg in San Francisco granted a request by civil liberties groups to halt the practice while their lawsuit moves forward. He put the decision on hold until Friday to give U.S. officials the chance to appeal.The launch of the policy in January in San Diego at the nation's busiest border crossing marked an unprecedented change to the U.S. asylum system, government officials and asylum experts said. Families seeking asylum typically had been released in the U.S. with notices to appear in court.President Donald Trump's administration says the policy responds to a crisis at the southern border that has overwhelmed the ability of immigration officials to detain migrants. Growing numbers of families are fleeing poverty and gang violence in Guatemala, Honduras and El Salvador.The lawsuit on behalf of 11 asylum seekers from Central America and legal advocacy groups says the Trump administration is violating U.S. law by failing to adequately evaluate the dangers that migrants face in Mexico.It also accuses Homeland Security and immigration officials of depriving migrants of their right to apply for asylum by making it difficult or impossible for them to do so.Under the new policy, asylum seekers are not guaranteed interpreters or lawyers and don't get to argue to a judge that they face the potential of persecution or torture if they are sent back to Mexico, Judy Rabinovitz, an attorney for the American Civil Liberties Union, said at a March court hearing.Seeborg appeared skeptical of the lawsuit's argument that the administration misapplied a U.S. law that allows the return of immigrants to Mexico. The ACLU and other groups that are suing say that law does not apply to asylum seekers who cross the border illegally or arrive at a border crossing without proper documents.The judge also questioned the Justice Department's argument that asylum seekers sent back to Mexico are not eligible for certain protections, such as a hearing before an immigration judge.The administration hopes that making asylum seekers wait in Mexico will discourage weak claims and help reduce an immigration court backlog of more than 800,000 cases.Justice Department attorney Scott Stewart said there is a process to protect immigrants who could face harm in Mexico. All 11 plaintiffs in the lawsuit are represented by attorneys, and 10 already have appeared for court proceedings, he said.Border Patrol arrests, the most widely used gauge of illegal crossings, have risen sharply over the last year but are relatively low in historical terms after hitting a 46-year low in 2017.The launch of the policy followed months of delicate talks between the U.S. and Mexico. Mexicans and children traveling alone are exempt from it. 2975

SAN FRANCISCO (AP) — A U.S. appeals court won't immediately let President Donald Trump end an Obama-era program shielding young immigrants from deportation.A three-judge panel of the 9th U.S. Circuit Court of Appeals on Thursday decided to keep in place an injunction blocking Trump's decision to phase out the Deferred Action for Childhood Arrivals program.Lawsuits by California and others challenging the Trump administration's decision will continue in federal court while the injunction remains in place.RELATED: San Diego Dreamers facing 'nightmare' after Trump decisionDACA has protected some 700,000 people who were brought to the U.S. illegally as children or came with families that overstayed visas.In January, U.S. District Judge William Alsup rejected the argument that then-President Barack Obama had exceeded his power in creating DACA.The Trump administration has said it moved last year to end the program because Texas and other states threatened to sue, raising the prospect of a chaotic end to DACA.RELATED: Trump administration asks SCOTUS to step in on DACA?cases 1093

SAN FRANCISCO (AP) — Facebook threatened to block Australian publishers and individuals from sharing news stories on its platform in reaction to an Australian measure that would require it to compensate media organizations for its use of their stories.The social network said the move would force it to pay arbitrary and theoretically unlimited sums for information that makes up only a small fraction of its service.Google has cast the proposed Australian law as a potential threat to individual privacy and a burden that would degrade the quality of its search and YouTube video services, but did not threaten a cutoff.Australia's government hopes the legislation will be passed this year. 699

San Diego (KGTV)- Parents at several San Diego County high schools have been notified that students could have been exposed to Pertussis, also known as whooping cough. Carlsbad High School confirmed two cases last week. Monday, parents at Mt. Carmel High School were notified that students at that school may have been exposed to the infection, though it wasn't clear how many confirmed cases there have been at the school. “This is probably the most contagious bacterial disease,” says Eric McDonald, with the county’s Health and Human Services Department. “For every one person who has it, when they expose people who have not had or been immunized, they can infect up to 16 or 17 other people.”McDonald says symptoms of a typical cold are a runny nose, low-grade fever, and a cough. For someone who may have pertussis “its the persistence of the cough that should be the number one clue.”So far this year, in San Diego County, there have been over 70 confirmed cases of pertussis. “The number of cases in San Diego are higher than most of California, particularly for infants under the age of four months.”If your child has a cough that lasts almost two weeks, they should be treated by a doctor. McDonald recommends everyone get the DTaP shot to lower the risk of getting pertussis, especially pregnant women in their third trimester. 1347

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