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The norovirus is also referred to as the âwinter vomiting bug " Lee-Ann Jaykus  the scientific director for NoroCORE  a food safety initiative thatâs funded through a $25 million grant from the USDA  told Fox News.
The norovirus  which has different strains  can spread easily -- especially in close spaces   Jaykus  said.
When an infected person vomits or defecates  âmassive amounts [of the virus] are excreted â  Jaykus  explained. âThere are millions to billions of particles in one just one gram.â
Food handlers who are sick and donât practice adequate hygiene can easily infect other people. Infected water can also spread the illness  though this more commonly occurs in developing countries   Jaykus  noted.
How do you prevent  it ?
âHand washing is hugely important. In fact  itâs the single most important thing for people attending Olympics." - Lee-Ann Jaykus
âHand washing is hugely important â  Jaykus  said. âIn fact  itâs the single most important thing for people attending Olympics â  she  said.
The norovirus is extremely hard to kill   Jaykus  warned. Inactivating the virus requires a high concentration of bleach. And while itâs easy enough to clean countertops and other similar surfaces with bleach  the same canât be said for carpet and furniture. Alcohol isnât strong enough to entirely kill the virus either   Jaykus  added.
âThe norovirus can be spread for weeks â said  Jaykus   who added that quarantining infected people can also be useful in preventing the spread of norovirus.
âThis is really scary for the athletes -- if you have norovirus you really are incapacitated â said  Jaykus   though no athletes have reported having symptoms of the virus.
What is norovirus? 2018 Winter Olympics plagued by vomit

Lebanon's Prime Minister Saad Hariri  arrived back in Lebanon two weeks after  he  announced  his  surprise resignation while in Saudi Arabia. Within hours of landing at Beirut International Airport  Hariri shocked the country by announcing he had put his resignation "on hold" while talks with Hezb'allah and other political factions are underway.
Al Jazeera's Zein Khodr  reporting from Beirut  said that Hariri's tone has shifted since he gave his resignation speech two weeks ago. "He [Hariri] didn't even mention Hezbollah or Iran[.] ... He even said that he's looking forward to a partnership with all political parties in the country "What is clear is that there has been intensive discussions behind closed doors " she said. "The resignation was an attempt by Saudi Arabia to curb Hezbollah's influence[.] ... That attempt backfired[.] ...  Hariri  was conciliatory in  his  message."
What is going on? Whatever influence Saudi Arabia was exercising over  Hariri  has weakened since  he  left the kingdom. Before returning to Lebanon   Hariri  had meetings with several leaders  including Macron of France and el-Sisi of Egypt. France has a keen interest in what happens in Lebanon  since the tiny nation is a former French colony. And as a Sunni regional power  Egypt is on the front lines of resisting the spread of Iran's influence.
Those "intense discussions" almost certainly included Hezb'allah. Given that  Hariri  cited threats against  his  life by pro-Iranian and pro-Syrian factions in Lebanon as a primary reason for  his  resignation  it is possible that some sort of backroom deal with the terrorists was struck that gives certain assurances to  Hariri  regarding  his  personal safety. For Hezb'allah  part of that deal could have included  Hariri  promising to back away from Saudi Arabia.
Lebanon's Prime Minister Hariri puts resignation 'on hold'

Ikea is known for its flat-pack kitchen tables  islands  and cabinets. Now the home furnishings retailer is experimenting with products that allow people to harvest food at home. Space10  Ikea's innovation lab  has designed a prototype of a mini-farm that can grow greens and herbs indoors. Called  Lokal    it  uses a hydroponic farming system — allowing crops to grow on trays under LEDs in a climate-controlled box. Space10 debuted the device in September at the London Design Festival in Shoreditch. Check it out below. View As: One Page Slides
The Lokal farm lets anyone harvest greens indoors.
Space10 gave 2 000 free samples of Lokal microgreens to London Design Week attendees.
Michael La Cour  Managing Director of IKEA Food Services  said in a statement that  Lokal  still needs to be developed further before  the company  decides whether to sell  it  in stores.

Ikea's Space10 debuts a vertical farm for the home