Tracing the route ofnovel coronavirus transmission1) Returning home and dining with friends or relatives
Female in her fifties: Returning home to visit her family in Aichi, she met
with ten relatives, paid a visit to ancestral grave and had a meal together.
Female in her thirties: Returning home to visit her family in Kyushu, she met
with relatives one of whom also came back from another prefecture. Five ofthem had a meal together. The person coming back from another prefecture
was later found to be covid positive.
Male in his twenties: Before having symptoms, he came back home to visit
his family also in the same prefecture and went bar-hopping with five friends.
Teenage male: Coming back home to visit his family in Kanto region, hemet up with friends there and spent several days sightseeing and going toentertainment facilities together.
2) Traveling with friends or relatives
Female in her twenties: Before having symptoms, she stayed at a friend’s
house in Kansai region and had a party there. Eight people were at the party
and five of them were later found to be covid positive.
Teenage female: She went to a karaoke establishment with three friends.
After parting with them, she went by car to Mie prefecture with three otherfriends. On the same day that evening, she again went to a karaokeestablishment with three other friends. All four of them were later found to
be covid positive.
Female in her twenties: Before having symptoms, she and her family went
to a friend’s house multiple times. While staying there, she did not wear amask. In addition, two families of 11 people also enjoyed barbecuing at aresort.
3) Dining with friends or relatives
Female in her twenties: She dined with three friends at a bar restaurant in
Nagoya city. One of them was later found to be covid positive.
Male in his twenties: Before having symptoms, he attended a party held at anightclub in Mie prefecture.
Male in his twenties: Before having symptoms, he attended a wedding withhis wife. After that he continued going bar-hopping to three different pubs.

1Female in her twenties: Before having symptoms, she spent time with threefriends from morning until evening. Later, she met up with other friends andkept repeating dining activities both inside and outside the prefecture.
Teenage male: Before having symptoms he invited friends over. A group offour persons had a meal together and later played mahjong. Afterward, it
became known that person or persons that ate together or played mahjong
together had covid.
Male in his twenties: Despite having a fever above 38 degrees Celsius, hewent out drinking with friends.
Male in his thirties: He went out dining with ten friends in Nagoya city.
One of them was having a fever.
4) Barbecuing with friends
Female in her twenties: She had barbecues with friends at home and also atriver bank. She also went on a pub crawl inside the prefecture over a periodof several days with friends.
Male in his twenties: Before having symptoms, he got together with eightfriends and had a barbecue, then went to a karaoke establishment, and laterwent to a bar to have drinks.
Female in her twenties: Before having symptoms, she got together with sixor seven friends, whom she had met on SNS, and had a barbecue by the riverbank in the prefecture.
(Made public on August 16~18, 2021)

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