A new corona cluster occurred at a meeting of the Centers for Disease Control and Prevention (CDC) in the United States, 181 people were positive, and 70% of respondents did not wear masks, but no hospitalized patients were affected by the vaccine

In May 2023, the position of the new coronavirus infection was shifted to 'Type 5 infectious disease' in Japan, and the World Health Organization (WHO) ended the declaration of emergency. However, the threat of the new coronavirus still remains, and there have been reports of the spread of infection in Okinawa to the extent that it affects the provision of medical care. Meanwhile, it became clear that a cluster of new coronavirus infections occurred at a meeting of the Centers for Disease Control and Prevention (CDC), which can be said to be the center of infectious disease control in the United States.

Update on Rapid Assessment of SARS-CoV-2 Transmission at 2023 EIS Conference | CDC Online Newsroom | CDC
https://www.cdc.gov/media/releases/2023/s0526-eis.html

From April 24-27, 2023, the CDC held an Epidemic Intelligence Service (EIS) meeting at a hotel in Georgia to train experts in infectious disease control. About 1,800 people attended the meeting, which included presentations, one-on-one and small group recruitment events.

At the end of the meeting on April 27, 2023, after several participants reported that they had tested positive for the new coronavirus, the meeting organizers advised the participants to He said that he was notified of the possibility of infection and took measures to suppress the spread of infection. The CDC then worked with Georgia's Department of Public Health to set up a rapid assessment team to track the infection status of meeting attendees.

As a result of the rapid assessment team conducting a questionnaire survey on the infection status from May 5 to 12, 2023, responses were received from 1443 people, which is more than 80% of the meeting participants. The survey results are as follows.

・ 181 (13%) respondents reported a positive reaction to the new coronavirus
52% of respondents who reported positive reactions reported that it was their first infection.
・ 1435 (99.4%) respondents had received at least one dose of the new coronavirus vaccine
49 (27%) of respondents who reported a positive reaction had received antiviral medications
・ 70% of the respondents did not wear masks (the meeting was held at a time when the number of infected people was low, and wearing masks was not recommended)
・The number of hospitalized patients was 0.

In response to the results of the survey, the CDC said, ``Almost all respondents were vaccinated with the new coronavirus vaccine, and none of the 181 respondents who reported positive were hospitalized. It shows how important vaccination is to protect people from severe symptoms and deaths from new coronavirus infections, ”he emphasizes the importance of new coronavirus vaccination.

In Japan, from May 2023, 'Elderly people aged 65 and over', 'People aged 5 to 64 with underlying diseases', 'Healthcare workers and workers in facilities for the elderly' Start vaccination has begun. You can check the details about 'Reiwa 5 spring start vaccination' at the following link.

[Additional inoculation] Notification about inoculation starting in spring 2020｜Ministry of Health, Labor and Welfare
https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/vaccine_spring2023.html