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Data: Adapted from a CDC chart; Chart: Axios Visuals

Measles cases in the U.S. this year are "certainly going to surpass those in 2018," mainly due to the lack of vaccination in certain groups, Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, tells Axios.

Why this matters: The extremely contagious virus, which can cause serious complications like pneumonia, brain swelling and even occasional death, requires a vaccination rate of 93%–95% in order to prevent outbreaks. "Whenever the level of vaccination gets below a certain level, you will get outbreaks," Fauci says.

Driving the news: Rockland County in New York rocked the nation when it declared a local state of emergency starting Wednesday, with a directive barring unvaccinated children under 18 from countywide public spaces unless they are under 6 months or have a medical exemption..

  • The community — which only had a 72.9% vaccination rate in those under 18 — is paying the price with 156 cases reported as of March 28.
  • John Lyon, spokesperson for Rockland County Executive Ed Day, says the directive is considered a Class B misdemeanor, which could have up to a $500 fine and 90 days in jail.
  • "We don't want to put any people in jail, though. That's insane," Lyon tells Axios.
  • But, he adds, they needed to take action after the outbreak had gone on for 6 months and there was growing resistance to their efforts to track the whereabouts of infected people the 4 days before and 4 days after they got a fever when they were contagious.
  • The reason this is needed, Lyon adds, is to inform the public if they were near those places, so they could take action to protect themselves from the worst of the virus by either getting a vaccination or immunoglobulin shot to boost immunity.
  • They are already seeing a large uptick in vaccinations since Wednesday morning, he reports.

Meanwhile, the Centers for Disease Control and Prevention shows outbreaks reported in New York City, Washington State, Texas, Illinois and California.

The bottom line: "Unfortunately, it will take the reality of the deleterious consequences of non-vaccination in communities" before the outbreak will stop, Fauci says. "This is a virus that can kill you. Most children recover quite well but [some will not.]"

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Trump tightens screws on ByteDance to sell Tiktok

Illustration: Aïda Amer/Axios

President Trump added more pressure Friday night on China-based TikTok parent ByteDance to exit the U.S., ordering it to divest all assets related to the U.S. operation of TikTok within 90 days.

Between the lines: The order means ByteDance must be wholly disentangled from TikTok in the U.S. by November. Trump had previously ordered TikTok banned if ByteDance hadn't struck a deal within 45 days. The new order likely means ByteDance has just another 45 days after that to fully close the deal, one White House source told Axios.

Updated 5 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 9:30 p.m. ET: 21,056,850 — Total deaths: 762,293— Total recoveries: 13,100,902Map.
  2. U.S.: Total confirmed cases as of 9:30 p.m ET: 5,306,215 — Total deaths: 168,334 — Total recoveries: 1,796,309 — Total tests: 65,676,624Map.
  3. Health: CDC: Survivors of COVID-19 have up to three months of immunity Fauci believes normalcy will return by "the end of 2021" with vaccine — The pandemic's toll on mental health — FDA releases first-ever list of medical supplies in shortage.
  4. States: California passes 600,000 confirmed coronavirus cases.
  5. Cities: Coronavirus pandemic dims NYC's annual 9/11 Tribute in Light.
  6. Business: How small businesses got stiffed — Unemployment starts moving in the right direction.
  7. Politics: Biden signals fall strategy with new ads.

Harris: "Women are going to be a priority" in Biden administration

Sen. Kamala Harris at an event in Wilmington, Del. Photo: Drew Angerer/Getty Images

In her first sit-down interview since being named Joe Biden's running mate, Sen. Kamala Harris talked about what she'll do to fight for women if elected VP, and how the Democrats are thinking about voter turnout strategies ahead of November.

What they're saying: "In a Biden-Harris administration women are going to be a priority, understanding that women have many priorities and all of them must be acknowledged," Harris told The 19th*'s Errin Haines-Whack.