Health officials are investigating two potential coronavirus superspreader events in Orange County.
North Dakota also has the highest rate of infection per capita out of any state in the nation.
Around 70 percent of students have not been tested, despite making up a large proportion of new cases, the state's contract tracing administrator has said.
"This is actually a pretty dramatic event. It's really a tragedy," said Stephen Bickel, from the Flagler County health department in Florida.
North Dakota has also recorded more COVID-19 deaths in September than any other month.
North Dakota health officials confirmed a new record for active coronavirus cases in the state on Monday, making it the highest rate of infections of any state in the country over this period.
The ticks were spotted for the first time in the United States in 2017.
The Native American territory has 9,903 confirmed cases, with 7,154 patients reportedly recovered.
Three of the leading vaccine candidates—being developed by Moderna, Pfizer and AstraZeneca—began large-scale trials recently.
In the United States, around seven human plague cases are recorded every year,
"We are working on the creation of a vaccine for animals against the new coronavirus infection," said Russian official Sergey Dankvert.
Scientists have proposed various estimates for when herd immunity against the novel coronavirus can be reached in a given population.
There were 47 cases of shigella infection reported to the Multnomah County Health Department this year.
The drug has been touted for the treatment of COVID-19 by President Donald Trump and other high profile figures like Brazilian president Jair Bolsonaro.
The virtual discussion is being hosted by Brown University.
Rabies is a fatal but preventable viral disease that infects the central nervous system of mammals.
The military's recorded infection rate for troops aged 18 to 24 is slightly higher than for the same age group nationwide.
There are at least 160 potential novel coronavirus vaccines in development in the U.S., Europe, China and Australia.
A drop in U.S. virus fatalities reported on weekends and a surge reported Mondays and Tuesdays has been seen throughout the outbreak.
It can determine how long lockdowns last and what measures are adopted as policymakers seek to stop the spread of the virus.
A Wisconsin woman allegedly stared down a grocery store manager as she licked a freezer door handle in "protest" of the coronavirus, behavior that police described as "uncalled for."
Putting the coronavirus in historical perspective: A by-the-numbers look at other plagues and pandemics.
Arizona congressman Paul Gosar on Sunday announced he would be self-quarantining after a brief run-in at last week's CPAC conference with someone he described as having been "hospitalized with the Wuhan virus," prompting a response from California congressman Ted Lieu.
More than 84,000 cases of the virus have been confirmed worldwide, with South Korea reporting the highest number of infections outside China.
With new cases across Brazil, Europe and the Middle East, the deadly virus has now spread to every continent except Antarctica.
South Korea is now reporting the second highest number of confirmed cases outside China, while the death toll in Italy has nearly doubled within a day.
A 44-year-old man, from Wuhan, China, the center of the outbreak, died in hospital in the Philippines after developing "severe pneumonia."
Research adds to evidence showing how archaic species shaped modern humans.