Washington, DC, health officials confirm measles case ahead of cherry blossom season
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Measles outbreak: Who's at risk and who's likely immune from virus
As measles continue to spread in the U.S., here's who is at risk and who's immune from one of the most contagious viruses in the world.
WASHINGTON, D.C. ‒ Local officials warned on Tuesday that a person with a confirmed cases of measles may have exposed others at the city's Union Station and a local urgent care.
The case comes as the capital region is gearing up for its signature cherry blossom season, which attracts millions of people each year. In 2024, 1.6 million visitors visited Washington and its surrounding areas for cherry blossom season, according to National Cherry Blossom Festival organizers and Mayor Muriel Bowser's office. The famed blossoms are expected to reach their peak bloom – and peak tourism draw – this weekend.
The person who contracted measles traveled on Amtrak's Northeast Regional route heading southbound on March 19. Washington's Department of Health said potential exposure could have occurred between 7:30 p.m. and 1:30 a.m. The individual exited through Union Station, with potential exposures between 11:00 p.m. and 1:30 a.m.
The northeast regional route begins in Boston and ends or runs through Washington, including stops in New York City, Philadelphia and Baltimore. Officials did not immediately say where the individual boarded the train.
The person went to an urgent care center in the city's northwestern Adams Morgan neighborhood on Saturday, and officials warn that potential exposures could have extended from 7:00 p.m. to 11:00 p.m.
'Measles is a highly contagious illness that can spread easily through the air when an infected person breathes, coughs, or sneezes,' Washington's Department of Health said in the Tuesday statement.
City health officials said people who may have been exposed and have not been immunized against the virus should contact their health care provider or health officials at 844-493-2652.
The latest data from the Centers for Disease Control and Prevention show 378 people in 18 states have been diagnosed with measles this year. Outbreaks have occurred primarily in the South Plains and Panhandle regions of Texas and neighboring Lea County, New Mexico.
Who is most at risk of measles?
People who have received two measles vaccine shots, previously had measles, or were born in the U.S. before 1957 are believed to be immune to the virus.
People in the U.S. traditionally receive the measles vaccination around their first birthday.
Pregnant women, infants under the age of one and those who are immune compromised are most at risk of complications from measles.
Measles symptoms
Measles symptoms often develop within 10-14 days of exposure to the virus but may take as long as 21 days to show up.
A person with measles is contagious four days before they begin to show signs of a rash and four days after the rash begins.
Here are common symptoms of the virus:
Fever of more than 101 degrees.
Runny nose.
Cough.
Red, watery eyes.
Loss of appetite, diarrhea.
A red rash on the face and body typically appears one to four days after early symptoms.
Koplik spots, tiny white spots that may appear inside the mouth two to three days after symptoms begin.
Contributing: Mary Walrath-Holdridge, Nathan Diller, Saman Shafiq, Janet Loehrke and Karissa Waddick
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National Geographic
30 minutes ago
- National Geographic
Does high-potency cannabis impair mental health?
Photographs by Sergiy Barchuk This article is part of The New Cannabis, a National Geographic exploration into the most critical questions raised by today's stronger, stranger, ever more accessible weed. Learn more. Once upon a time, getting high from marijuana entailed smoking a joint, a pipe, or a bong. Those days are gone. Now there are numerous routes of consumption, some of which deliver a more potent buzz—but carry a risk of more serious side effects. In the latter category are dabbing and vaping, which are most prevalent among adults ages 18 to 24, according to a 2025 report from the Centers for Disease Control and Prevention. With vaping, cannabis oil or flower is heated to a temperature that releases cannabinoids as vapor to inhale. Some vaping devices can be loaded with dry herb or cannabis flower, while others are intended to be used with high-potency concentrates like oil or resin. One reason it appeals to teens and young adults: 'Vaping is a discreet way to use cannabis in a public space—there's a convenience factor,' says Deepak Cyril D'Souza, professor of psychiatry at the Yale School of Medicine and director of the Yale Center for the Science of Cannabis and Cannabinoids. 'One hit can deliver a lot, and get you high very quickly.' With dabbing, by contrast, people inhale vapors from highly concentrated THC-based oils—such as wax (a gooey form of hash oil) or shatter (a solid, glasslike version)—that have been heated, often using a blowtorch and a modified bong or a water pipe called a dab rig. Dabbing isn't as discreet as vaping because 'with dabbing, you need paraphernalia,' D'Souza says. Handheld dab pens are simpler alternatives—but some dab fans suggest dab pens can sacrifice flavor. Making such devices smaller, simpler, and cheaper is a major focus of the increasingly innovation-driven cannabis industry. From left to right: DISTILLATE VAPE CARTRIDGE Oil; THC potency as high as 95 percent. THCA SAND Concentrated tetrahydrocannabinolic acid (THCA); converts to 75 to 90 percent THC when heated. INFUSED JOINTS Pre-rolled joints blended with or coated in a concentrate product; varied potency. CANNABIS TOPICALS Balms and creams applied to skin; nonintoxicating, typically low THC content. MARIJUANA FLOWER THC potency can reach nearly 35 percent; average closer to 15 percent. Back in the 1960s, the THC concentration in cannabis was around 4 percent, D'Souza notes. Currently, it's around 18 percent, with some products made from cannabis bud at 35 percent. But 'concentrates that are vaped could have THC concentrations that are 65 to 95 percent. With that comes greater risk,' says D'Souza. THC concentrations in dabs can also range from 60 to 90 percent. A major concern is that using cannabis with high THC concentrations could have harmful effects on mental health, especially with repeated or chronic use. This includes a risk of developing anxiety, depression, paranoia, hallucinations, or psychosis, says Akhil Anand, an addiction psychiatrist and clinical assistant professor at the Cleveland Clinic. These approaches are 'very dangerous. Patients are putting themselves at high risk for psychotic symptoms.' 'It's not the method per se that's risky. The main issue is that dabbing and vaping are associated with very high levels of THC,' adds D'Souza. 'We know that negative consequences of THC are dose-related. The more you're exposed to the higher concentrations of THC, the more likely there are to be negative consequences.' Meanwhile, some of the mental health risks are especially high for teens. A study in a 2024 issue of the journal Psychological Medicine found that adolescents who used high-potency cannabis weekly had an 11 times greater risk of developing a psychotic disorder. Young adults over the age of 19 did not have an increased risk. Part of the vulnerability is because teen brains are still developing and undergoing changes related to pruning, a process in which the brain eliminates unnecessary neurons and neural connections, D'Souza says. 'This process leads to maturation of the brain,' he explains. Regular use of high-potency THC can disrupt these physiological processes in the brain. 'In younger people, being exposed to these potent psychoactive substances can affect cognitive skills such as memory, concentration, attention, analytical thinking, and impulsivity,' Anand says. 'It's bad for everybody, but it's devastating in younger people because these effects can be permanent.' Research has also found that people who experience cannabis-induced psychosis at any age have a 47 percent higher risk of developing schizophrenia or bipolar disorder. In addition to these mental health risks, there are potential consequences for physical health. Use of vaping concentrates can lead to 'popcorn lung' (aka bronchiolitis obliterans, a disease that affects small airways in the lungs), shortness of breath, a nagging or persistent cough, and wheezing, says Robert Welch, a pharmacist and director of the National Center for Cannabis Research and Education at the University of Mississippi. Over time, chronic irritation of lung tissue could increase the risk of long-term damage to the lungs. And dabbing can expose people to contaminants, including heavy metals, solvents, and pesticides. Among Gen Z consumers of legal cannabis—those born between 1997 and 2009—sales of vaping products exceed all other categories, including edibles and flower, according to the industry data firm Headset. Who's at risk for addiction? With these high-potency forms of cannabis consumption, there's a greater risk of developing cannabis use disorder—'which boils down to a loss of control of cannabis use even though it interferes with your personal life, academic life, or professional life,' D'Souza says. Generally, 'most people who are using these high levels of THC started at a lower level, with milder THC potency, and developed a high tolerance so they need more, more, more,' Anand says. 'People can develop an addiction where they need it or crave it.' This is a greater concern with today's high-potency cannabis. 'We used to think the risk of cannabis use disorder was less than one in 10—that's because the cannabis used to be much weaker,' D'Souza says. 'In the current cannabis landscape, the rates of cannabis use disorder are closer to one in three. And the younger brain is much more likely to develop addiction because the brain undergoes its greatest changes in early to mid adolescence.' In fact, research has found that teens are at significantly higher risk of developing cannabis use disorder within the first year after starting to use cannabis than adults are. 'There's this misconception that you can't get addicted to cannabis,' Welch says. 'That's just not true, especially with regular or high use' of today's high-potency cannabis. Perhaps counterintuitively, concerns about high-potency pot have prompted calls for the federal government to remove cannabis from its most restrictive class of illicit drugs. Legal limits on THC content vary at state levels, and moving cannabis from the Drug Enforcement Administration's Schedule I to Schedule III would allow for federal regulations on potency. This reclassification was initiated in 2024, during the previous presidential administration, but it's now in limbo. A version of this story appears in the September 2025 issue of National Geographic magazine. Set Design: Mat Cullen, Lalaland Artists


Newsweek
14 hours ago
- Newsweek
CDC Shooting: Georgia Man Fired Nearly 200 Shots, Broke 150 Windows
Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Newsweek AI is in beta. Translations may contain inaccuracies—please refer to the original content. The man who attacked the Centers for Disease Control and Prevention (CDC) headquarters in Atlanta on Friday fired more than 180 rounds into the campus, shattering about 150 windows. Bullets pierced "blast-resistant" glass, sending shards into numerous rooms, according to internal information circulated within the agency. CDC personnel said it could take "weeks or even months" to replace the damaged windows and fully clean up the site. Authorities identified the gunman as 30-year-old Patrick Joseph White, a Georgia man who had publicly blamed the COVID-19 vaccine for making him depressed and suicidal. Late Friday afternoon, White opened fire, killing police officer David Rose. No one at the CDC was injured in the attack. The notable bullet marks on the windows of the Centers for Disease Control and Prevention headquarters are visible on Sunday Aug. 10, 2025. The notable bullet marks on the windows of the Centers for Disease Control and Prevention headquarters are visible on Sunday Aug. 10, 2025. Associated Press According to a law enforcement official who spoke to the Associated Press on condition of anonymity, CDC security guards stopped the shooter before he drove to a nearby pharmacy and opened fire again. White later died, though authorities have not confirmed whether he was killed by police or took his own life. On Monday, U.S. Health Secretary Robert F. Kennedy Jr. toured the CDC campus, where security staff pointed out bullet damage across multiple buildings, including the main guard booth, according to a statement from the U.S. Department of Health and Human Services (HHS). He was joined by HHS Deputy Secretary Jim O'Neill and CDC Director Susan Monarez. Kennedy also visited the DeKalb County Police Department, where he met with the police chief before holding a private meeting with Rose's widow. Monarez posted on social media Friday night that "at least four CDC buildings" had been struck during the attack. Over the weekend, details of the damage became clearer during a CDC leadership meeting. Two employees familiar with the meeting's discussion told the Associated Press—on condition of anonymity because they were not authorized to speak publicly—that Building 21, where Monarez's office is located, sustained the most bullet strikes. CDC officials did not say whether her office itself had been hit. An internal agency memo seen by an AP reporter confirmed those details. Employees were advised to work from home this week. In a statement Saturday, Kennedy said, "No one should face violence while working to protect the health of others," adding that top federal health officials were "actively supporting CDC staff." He did not speak to the media during his Monday visit. Former CDC official Stephan Monroe expressed concern about the long-term consequences for recruiting young scientists to public service. "I'm concerned that this is going to be a generational hit," Monroe said, speaking near a memorial poster for Officer Rose. Kennedy has a long history as a leader in the national anti-vaccine movement. Before President Donald Trump appointed him to oversee federal health agencies, he made false and misleading claims about the safety and effectiveness of COVID-19 shots and other vaccines. Tim Young, a former CDC employee who retired in April, said years of misinformation about vaccines and public health inevitably "take a toll on people's mental health" and "leads to violence." Dr. Jerome Adams, who served as U.S. surgeon general during Trump's first administration, said on CBS' Face the Nation Sunday that health leaders must understand the power of their public statements. "We have to understand people are listening," Adams said. "When you make claims that have been proven false time and time again about safety and efficacy of vaccines, that can cause unintended consequences." This article includes reporting by the Associated Press

14 hours ago
Man fired 180 shots, breaking 150 windows, in CDC attack
NEW YORK -- The man who attacked the CDC headquarters in Atlanta on Friday fired more than 180 shots into the campus and broke about 150 windows, with bullets piercing 'blast-resistant' windows and spattering glass shards into numerous rooms, according to information circulated internally at the agency. It may take weeks or even months to replace windows and clean up the damage, Centers for Disease Control and Prevention personnel said. A Georgia man who had blamed the COVID-19 vaccine for making him depressed and suicidal opened fire late Friday, killing a police officer. No one at CDC was injured. The shooter was stopped by CDC security guards before driving to a nearby pharmacy and opening fire late Friday afternoon, a law enforcement official has told the AP. The official wasn't authorized to publicly discuss the investigation and spoke on condition of anonymity. The 30-year-old man, Patrick Joseph White, later died, but authorities haven't said whether he was killed by police or killed himself. U.S. Health Secretary Robert F. Kennedy Jr. toured the CDC campus on Monday. CDC security pointed out broken windows across multiple buildings, including the main guard booth, according to a U.S. Department of Health and Human Services statement. HHS Deputy Secretary Jim O'Neill and CDC Director Susan Monarez accompanied him, according to the statement. Kennedy also visited the DeKalb County Police Department, where he met with the police chief. Later. He also met privately with the widow of the fallen officer, David Rose. Monarez posted a statement on social media Friday night that said at least four CDC buildings were hit in the attack. The extent of the damage became more clear during a weekend CDC leadership meeting. Two CDC employees who were told about what was discussed at the meeting described details to The Associated Press on condition of anonymity because they weren't authorized to reveal the information. Details also were also in an agency memo seen by an AP reporter. Building 21, which houses Monarez's office, was hit by the largest number of bullets. CDC officials did not say if her office was hit. CDC employees were advised to work from home this week. Kennedy issued a statement Saturday that said 'no one should face violence while working to protect the health of others,' and that top federal health officials were 'actively supporting CDC staff." He did not speak to the media during his visit Monday. A retired CDC official, Stephan Monroe, said he worried about the long-term impact the attack would have on young scientists' willingness to go to work for the government. 'I'm concerned that this is this is going to be a generational hit,' said Monroe, speaking to a reporter near the corner where a poster had been set up in honor of Rose. Kennedy was a leader in a national anti-vaccine movement before President Donald Trump selected him to oversee federal health agencies, and has made false and misleading statements about the safety and effectiveness of about COVID-19 shots and other vaccines. Years of false rhetoric about vaccines and public health was bound to 'take a toll on people's mental health,' and 'leads to violence,' said Tim Young, a CDC employee who retired in April. Dr. Jerome Adams, the U.S. surgeon general during President Donald Trump's first administration, said Sunday that health leaders should appreciate the weight of their words. 'We have to understand people are listening,' Adams told 'Face the Nation' on CBS. 'When you make claims that have been proven false time and time again about safety and efficacy of vaccines, that can cause unintended consequences.' ___