郑州4.8的视力算近视吗(郑州治疗近视) (今日更新中)

Scientists and medical professionals across the country are working to learn about the coronavirus’s effect on children. There's still a lot they don't know about how the virus affects children.With children often not showing as many symptoms as adults, experts say kids can help us learn more about the novel coronavirus. Dr. Beth Thielen, a pediatric infectious disease physician and professor at the University of Minnesota, says people could be looking to children, especially as they go back to school, to find out more about the coronavirus."I mean, I hope so. I think this provides a very rich opportunity to understand a lot of basic things about the immune system and why diseases manifest differently in adults and children," says Dr. Thielen.Dr. Thielen says from possible protective measures of the MMR vaccine in children to t-cells, there's so much people can learn from how children's bodies combat viruses."It is thought that t-cells play a substantial role in helping to clear viral infections from the lungs. There are people looking at t-cell responses but they've lagged a bit behind with the data coming out on t-cell responses hasn’t been as prominent as the antibody studies," says Dr. Thielen. She adds, the reason people are looking at t-cells and children is because t-cells decline with age."I think they are critical. We all have them, they work to protect us from infection and potentially they are more efficacious in younger people potentially. Although, I think that really hasn’t been clearly worked out for SARS COV2," says Dr. Thielen.Dr. Jay Varkey, an epidemiologist at Emory Hospital in Atlanta, Georgia, agrees. Dr. Varkey says scientists are also looking into why children older than 10 years old, are more likely to have more serious symptoms with COVID-19."I think the reasons for that are complex. I think part of that might be related to some sort of existing t-cell immunity, and to what that is whether that’s to memory cells that are acting against a previous seasonal coronavirus that would just cause cold like symptoms, or whether its related to something more complex -- I don't think we’re there in terms of understanding," says Dr. Varkey.Dr. Varkey says, while children can help us understand COVID-19 better, it's also up to the adults to make sure they're growing up in a healthy, safe environment."We will learn much from kids but one of the messages we’ve been emphasizing in the hospital is that if we, again- and I answer this both not just as an infectious disease physician but also as a parent to two school age kids--we as adults have a responsibility to try and make our community safe to actually allow in-person learning," says Dr. Varkey."I think that we often think of children as getting a lot of these infections and the fact of the matter is most adults are getting exposed, as well, but our immune systems are sort of experienced at seeing them and we don't get sick," says Dr. Thielen.Dr. Thielen is a member of the Pediatric Infectious Disease Society and says she and other doctors in their scientific groups are advocating for more pediatric research to truly understand how certain diseases, including COVID-19, behave in children. 3217

SAN JUAN, Puerto Rico — Isaias snapped trees and knocked out power while blowing through the Bahamas on Saturday.The storm made landfall over Grand Bahama Island on Saturday. The Bahamas are still attempting to rebuild from Hurricane Dorian in 2019, a storm that killed dozens and caused heavy damage to the island chain. The storm will then head toward the Florida coast, where officials have closed beaches, parks and coronavirus testing sites.As of the 11 a.m. Sunday advisory from the National Hurricane Center, Isaias was packing maximum sustained winds of 65 mph and was moving north-northwest at 8 mph.Florida authorities say they've prepared shelters, but so far don't expect to have to evacuate people. Gov. Ron DeSantis says the most important thing now is to "remain vigilant.” The U.S. National Hurricane Center says the maximum sustained winds weakened slightly to 80 miles per hour Saturday morning as it moved toward the Florida coast.Current NOAA forecasts show that Isaias could make landfall near Florida's east coast on Sunday. Current models show the storm traveling up the Eastern Seaboard, brining heavy rains and winds to coastal areas of Georgia, South Carolina and North Carolina by early next week. 1232

SDFD is working a Structure Residential at 8022 June Lake Dr. The call was received on 03/07/2020 at 08:39:07 PM and unit(s) arrived at 08:42:41 PM. Updates at: https://t.co/ooGHT6v0iY #FS20036835— SDFD Newsworthy Incidents (@SDFD_Incidents) March 8, 2020 269

SANTA ANA (CNS) - A man accused of setting the Holy Fire that burned 23,000 acres in Orange and Riverside counties, forcing thousands of people from their homes, is due in court Wednesday for a preliminary hearing. Forrest Gordon Clark, 51 -- whose criminal case was briefly suspended in August when his courtroom outbursts led a judge to declare a doubt about his mental competency -- remains jailed in lieu of million bail, after pleading not guilty to arson and other charges Dec. 12. Clark's attorney, Nicole Parness of the Orange County Public Defender's Office, argued that Clark's million bail should be reduced because an arson investigator with the Orange County Fire Authority has theorized that another person might be responsible for setting the blaze. RELATED:"It's all a lie!": Arson suspect in Holy Fire appears in courtShe told reporters the investigator cited Michael Milligan, the fire chief of the volunteer Holy Jim Fire Department and a Clark neighbor, as a potential suspect. Parness told City News Service the analysis was ``very well thought out and logical'' and believes prosecutors ignored the suggestion to keep pursuing Clark as the main suspect. Milligan denied the allegation and told CNS he has fully cooperated with investigators and invited them into his home ``to tear it apart, do what you have to do'' so they can rule him out as a suspect. He said he has met investigators three times and turned over his phone, a GPS device and an iPad to authorities. He said he has offered to submit DNA and fingerprints as well. He conceded he was in the area when the fire erupted, saying he was about a mile away from Clark's cabin at the time. RELATED: Holy Fire suspect Forrest Gordon Clark charged with felony arson``There were four people in the canyon, and two people were above the fire and couldn't get back in and had to be rescued by helicopter,'' Milligan said. He said he understands law enforcement must investigate everyone who was in the vicinity of the fire's origin. In court, Parness asked Orange County Superior Court Judge Nancy Zeltzer to read the police report and argued that Clark's mental competency should justify a lowering of his bail. RELATED: Holy Fire suspect exhibits bizarre behavior in court appearanceZeltzer, however, kept bail at million, but noted that if further facts emerge about the case warranting reduced bail, Parness could make her request again. Deputy District Attorney Jake Jondle said the investigator's report mentioning Milligan is just an ``alternative theory,'' but there is ``no credible evidence'' to lead prosecutors to consider it seriously. Prosecutors are ``confident'' Clark is the right suspect, he said. RELATED: Video shows arson suspect talking with investigatorsClark has been the focus of investigators because of a ``combination of things,'' such as text messages he sent to neighbors as well as ``threats made'' to others, Jondle said. Clark could face 10 years to life in prison if convicted of aggravated arson damaging at least five inhabited structures, arson of inhabited property, arson of forest and making criminal threats, all felonies, as well as two felony counts of resisting arrest. In August, Orange County Superior Court Judge Kimberly Menninger ordered Clark to undergo a mental evaluation, saying she questioned his competency to assist in his defense. But on Nov. 28, Judge Michael Murray ruled that Clark was competent, and criminal proceedings were restarted. Initially, a defense expert concluded Clark was mentally incompetent, but a prosecution expert ruled otherwise, prompting Murray to appoint a ``tie-breaker'' expert, who concluded Clark was capable of assisting his attorneys in his defense. Parness has been pressing prosecutors to turn over more evidence in the case. She said she has been pushing to obtain text messages allegedly sent by Clark to neighbors, as well as surveillance video footage. On Aug. 6, the day the Holy Fire erupted, Clark allegedly threatened to kill a neighbor about 7:30 a.m., prosecutors said in a previous motion to deny him bail. As the neighbor walked to his truck, Clark allegedly told him that he `(expletive) with the wrong person,'' according to the motion. ``The defendant stated that he was `crazy' and noted it was `perfect' because he could do anything he wants and get away with it.'' Later that day, he allegedly set fire to his neighbor's residence in Holy Jim Canyon. The Holy Fire ultimately also destroyed 13 other residences. Orange County sheriff's investigator Jennifer Hernandez said in an affidavit supporting the motion to deny bail that Clark ``could be heard on video telling (a victim), `Mark my words, you're gonna die at 12:37... I have 100 percent plausible deniability. You're gonna die. I'm gonna murder you.''' Clark allegedly made at least five ``specific threats'' and``allusions'' to setting fires, according to Hernandez, who said the defendant``appears to believe in the Sovereign Citizen ideology.'' The ideology's supporters ``believe the government does not have the authority to enforce a majority of our laws and taxes,'' Hernandez wrote, adding that not everyone who subscribes to the theory is violent, but law enforcement recognizes it as a ``terrorism threat.'' Orange County sheriff's deputies have had multiple encounters with Clark dating back to 2006, according to Carrie Braun, a spokeswoman for the department. Parness said her client is ``doing better'' since prior court appearances when he was prone to verbal outbursts. ``He understands what's going on and I think he's doing OK'' now, Parness said. ``He's a very nice man, a gentle soul,'' Parness said. ``He's so polite to me.'' 5707

SANTA ANA (CNS) - A Colorado man was behind bars Wednesday on suspicion of killing an 11-year-old girl in Newport Beach in 1973, with authorities saying DNA technology helped them track down the suspect.James Alan Neal, 72, was arrested around 6:30 a.m. Tuesday in Colorado Springs, Colorado, in connection with the death of Linda Ann O'Keefe, who lived in Corona del Mar, Newport Beach police Chief Jon Lewis said.The girl disappeared while walking home from summer school on July 6, 1973, and her strangled body was recovered the following morning in a ditch in the Back Bay area. Police said the girl was last seen standing near a man in a blue or turquoise van.Lewis credited ``the latest in DNA technology'' for helping crack the case that has stymied investigators for more than four decades.``We have never forgotten Linda or the tragic events of July 1973,'' Lewis said at a news conference announcing the arrest. He said the girl's death changed the community, making parents think twice about letting their children outside alone.Neal has been charged with murder and District Attorney Todd Spitzer said the suspect could potentially face a death sentence, although there is some question about whether capital punishment could be applied in the case given the date of the killing and the laws that were on the books at the time.Newport Beach police last July mounted a Twitter campaign releasing information about the killing to try to spur new leads.The tweets detailing the last hours of Linda's life included photographs from the crime scene and a newly created ``snapshot'' of the suspect that was put together by scientists at Parabon NanoLabs. The tweets concluded with a video that included interviews with the detectives who have worked on finding the girl's killer through the years.Newport Beach police last year hired Parabon, a Virginia-based DNA technology company specializing in a process using genetic material, to build a sort of composite sketch of a suspect at 25 years old and how the killer might look today. 2048

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