Smart answer:
Your search for ′Is a box jellyfish sting fatal′ returned the following results:
death
A sting from a box jellyfish or other venomous types of jellyfish can cause death in minutes.
Source:
in two minutes
A sting from a box jellyfish, the most venomous animal on Earth, can kill a human in two minutes.
Source:
to cardiovascular collapse and death
A box jellyfish sting can lead to cardiovascular collapse and death within minutes, making minutes the most venomous creature on Earth.
Source:
acute muscular pain , , , hair that stands on end, strokes, heart failure and death within minutes
Stings from these box jellyfish can cause acute muscular pain, violent vomiting, feelings of 'impending doom', hair that stands on end, strokes, heart failure and death within minutes.
Source:
humans
Box jellyfish stings are incredibly venomous and painful, but rarely kill humans.
Source:
to excruciating pain lasting days, tissue death and scarring at the site of the sting with significant exposure, death within minutes
Box jellyfish stings lead to excruciating pain lasting days, tissue death and scarring at the site of the sting, and with significant exposure, death within minutes.
Source:
in serious systemic responses, including death
scars was also known that box jellyfish stings can result in serious systemic responses, including death.
Source:
their toxins that can cause paralysis
The danger of the clinging jellyfish's sting is their toxins that can cause paralysis.
Source:
deaths in Malaysia, Vietnam, PNG, Philippines, Indonesia and Japan as well as in the Gulf of Mexico (Texas)
Box jellyfish stings have also caused deaths in Malaysia, Vietnam, PNG, Philippines, Indonesia and Japan as well as in the Gulf of Mexico (Texas).
Source:
About 100 deaths
About 100 deaths occur each year due to box jellyfish sting.
more deaths
Box jellyfish stings are an increasing public health problem, causing more deaths annually than shark attacks worldwide [1,2,3,4].
Source:
woman
^ 'Box jellyfish sting kills woman in Koh Phangan - Phuket Gazette'.
Source:
more than two dozen people
No official death tallies exist, but the U.S. National Science Foundation estimates that, in just the Philippines, more than two dozen people die annually from box jellyfish stings; anecdotal evidence puts the global number at more than 100.
Source:
anything , from mild discomfort to severe pain and in rare cases
Depending upon the species, a jellyfish sting can cause anything from mild discomfort to severe pain and in rare cases, like the box jellies of Australia, even death.
Source:
to destroy flesh - which is what appears to have happened in Ms Webster's case
Without application of vinegar, a box jellyfish sting can continue to destroy flesh - which is what appears to have happened in Ms Webster's case.
Source:
death which doesn’t give you much time to think about your situation
A sting from a box jellyfish can cause death in two to five minutes, which doesn’t give you much time to think about your situation.
Source:
violent vomitingfeelings of 'impending doom'
Stings from these box jellyfish can cause acute muscular pain, violent vomiting, feelings of 'impending doom', hair that stands on end, strokes, heart failure and death within minutes.
Source: