believed to be mass hysteria. It originated at the Jinaraja Balika Vidyalaya in Gampola on November 15, 2012, when 1,100 students were admitted to hospital with a range of symptoms that included skin rashes, vomiting, vertigo and coughing. Later, authorities had to close down the school for 3 days. After that on November 16–19 there were more reports of students from other parts of the country showing similar symptoms. Charlie Charlie panic (2015) – Four teens in Tunja, Colombia, were hospitalized, and several in the Dominican Republic were considered "possessed by Satan" after playing the Charlie Charlie Challenge viral game. 2016 clown sightings – Sightings of people in evil clown costumes in the United States, Canada, and 18 other countries were dismissed as a case of mass hysteria, stating that a fear of clowns (which is common in children and adults) may be an underlying cause. The website Vox likewise claimed that "The Great Clown Panic of 2016 has been perpetuated by pretty much everyone except actual clowns." Recurrent epidemic of mass hysteria in Nepal (2016–2018) – A unique phenomenon of “recurrent epidemic of mass hysteria” was reported from a school of Pyuthan district of western Nepal in 2018. After a 9-year-old school girl developed crying and shouting episodes, quickly other children of the same school were also affected resulting in 47 affected students (37 females, 10 males) in the same day. Since 2016 similar episodes of mass psychogenic illness has been occurring in the same school every year. In 2016, twelve students were affected and in 2017, a total of 18 students of the same school were affected showing various symptoms in a single day. Hence it was thought to be a unique case of recurrent mass hysteria. Emirates Flight 203 (September 2018) – 106 of 521 passengers on a 14-hour flight from Dubai to New York reported symptoms including coughing, sneezing, fever, or vomiting. The pilot notified airport ground staff, and personnel from the U.S. Centers for Disease Control and Prevention met and quarantined the plane in New York and evaluated passengers, 11 of whom were sent to the hospital. A few passengers on the "flight from hell" turned out to have common colds or flu, with the other passengers coming to the belief that they were also sick after observing those around them. Ketereh, Malaysia (2019) – In August 2019, the BBC reported that schoolgirls at the