The outbreak comes after 2018 was found to be the second worst year for cases of measles in the U.S. since 2000.
The weather service issued one for parts of New York on Sunday morning.
Meanwhile, a family in Texas was threatened with baby kidnapping after their Nest was hacked.
Outgoing South Carolina Republican congressman Mark Sanford cautioned Americans against accepting easy promises from a "Hitler-like character," comparing the Nazi Germany leader's post-World War I rise to today's political climate.
A study released Monday said that 1.3 million more high school students vaped this year than in 2017.
The last E.coli outbreak relating to romaine lettuce lasted from April until June of 2018.
"Halloween is a time for kids to be kids and have fun with family and friends," said a St. Louis DEA agent. "We don't want anyone falling prey to an avoidable tragedy."
Several North Carolina residents reported they were asked to write Social Security numbers and other identifying marks on their body.
A warning means the conditions are happening already or about to happen.
"I'm not going risk my life to catch your flight!" one passenger wrote on Twitter, after Hurricane Lane reached Category 5 in the Central Pacific.
Beijing sent a U.S. navy plane six warnings to turn away from the South China Sea last week.
The tropical storm spiraled to a Category 2 hurricane in the space of six hours on Tuesday and could clip Canada, but will likely weaken before nearing Newfoundland.
Authorities have marked out 24 such areas in an effort to save lives.
Seismologists warned that pyroclastic flows could endanger nearby areas eight hours before the main eruption.
"A U.S. government employee in China recently reported subtle and vague, but abnormal, sensations of sound and pressure," the official warning said.