Source: [People's Daily Health Client] The weekly epidemiological progress of the new coronavirus updated by the World Health Organization on June 22 shows that globally, 62 countries have reported the discovery of BA.5, and 58 countries have reported the discovery of BA.4. , 69

Source: [People's Daily Health Client]

World Health Organization The new crown weekly epidemiological progress updated on June 22 shows that globally, 62 countries have reported the discovery of BA.5, 58 Countries reported finding BA.4, and 69 countries reported finding BA.2.12.1. Globally, the prevalence of BA.5 variants continues to rise. The prevalence of BA.5 is 25% (16% the previous week). BA.4 and BA.2.12.1 have declined. Among them, BA.4 The prevalence rate is 9% (versus 16% the week before), and the prevalence of BA.2.12.1 is 17% (versus 31% the week before).

The Omicron BA.4 and BA.5 mutant strains were first detected in South Africa in January and February this year respectively. On May 28, the "Chinese Center for Disease Control and Prevention Weekly Report (English)" also reported the specific situation of my country's first overseas imported case of infection with the Omicron variant BA.5.

The virus continues to mutate. At present, some countries have started the fourth dose of the new crown vaccine.

United States: Approval of second dose booster shot for people 50 years and older

According to Shangguan News on March 20, the U.S. Food and Drug Administration approved the use of the second dose of Moderna for people 50 years and older on March 29. and Pfizer’s mRNA COVID-19 vaccine booster shot.

In addition, according to the official statement of the U.S. Centers for Disease Control and Prevention, regardless of which company's vaccine was first vaccinated, anyone 50 years and older can receive the new crown vaccine booster shot four months after the first vaccination. Get a second booster dose. Peter Marks, director of the U.S. Food and Drug Administration's Vaccine Center, said the final decision to use 50 years as the cut-off was because chronic diseases increase the risk of COVID-19 infection, and there are more and more such cases.

Denmark: People over 50 years old will be vaccinated with the fourth dose of vaccine starting from September 15

According to the Danish National Serum Institute's new crown epidemic monitoring weekly report on June 16, Omicron strain new subtype BA .5 Infection rates are on the rise in Denmark, with the highest infection rates among people aged 50 to 69 and the highest hospitalization rates among those aged 70 to 89.

According to Xinhua News Agency news on June 22, the Danish government will vaccinate the country's people over the age of 50 with the fourth dose of the new crown vaccine , covering a population of about 2.5 million. The fourth shot of the new coronavirus vaccination plan will be implemented on September 15, with priority given to nursing home residents and susceptible groups, and will be fully promoted among people aged 50 and over from October 1. People under the age of 50 who have certain immune system diseases can also get the fourth shot.

Søren Broström, director of the Danish Health Authority, said that the purpose of vaccinating the above-mentioned groups with the fourth dose of vaccine is to prevent severe illness, hospitalization and death caused by infection with the new coronavirus variant strain after the fall of this year.

Medical staff work at a vaccination site at the University of Seville, Spain, Xinhua News Agency photo

Spain: the first to vaccinate the fourth shot for people with low immunity and those over 80 years old

According to the "European Times" Spanish version of the WeChat public account " According to "Western News" news, Spanish Health Minister Carolina Darias announced that it is considering vaccinating all residents with the fourth dose of the new crown vaccine near the autumn. It is reported that the Spanish Ministry of Health will take the lead in vaccinating people with low immunity. and those over 80 years of age to receive a fourth dose of the vaccine, followed by progressively lower age groups, which was also the approach used in the first three rounds of vaccinations.

France: The second dose of the new crown "booster shot" is open to people over the age of 60

According to overseas news, France will open the second dose of the new crown "booster shot" to people over the age of 80 and residents of nursing homes on March 14. It will be open to people aged 60 to 79 from April 7, and patients with immunosuppression can be vaccinated from early 2022. The French Ministry of Health urged on the 21st that in the past two months, an average of only 25,000 to 30,000 doses of the second "booster shot" were injected every day.

Japan: The fourth dose of COVID-19 vaccination has been launched for specific groups of people over 60 years old.

According to a report from China News Service on May 25, Japan has launched the fourth dose of COVID-19 vaccination nationwide on the 25th local time, including those over 60 years old. Specific groups of people such as the above.The fourth dose of the COVID-19 vaccine is designed to prevent severe disease when infected with COVID-19. The vaccination targets include people aged 18 to 59 who are over 60 years old, have underlying diseases, or are deemed by doctors to be at high risk of severe disease.

The basic diseases of the vaccination recipients between 18 and 59 years old include chronic respiratory diseases, heart disease, kidney disease, diabetes under treatment or complicated by other diseases, people with weakened immune function during cancer treatment, patients with severe mental illness, and obese people.

Vietnam: These groups of people in Hanoi will receive the fourth dose of the new crown vaccine

According to the Vietnamese Ministry of Health on June 7, there were 960 new confirmed cases in 41 provinces and cities in Vietnam within 24 hours. The Hanoi Municipal People’s Committee of Vietnam plans to start from June The fourth dose of vaccination is carried out to consolidate and strengthen people aged 50 and above; people aged 18 and above with moderate to severe immunodeficiency; medical workers, frontline personnel, people working in various industrial parks across the city, etc. 18 years and above Immunity of the above high-risk groups, etc.

Australia: Expand the scope of the fourth dose of vaccination, and it is not recommended for healthy people under the age of 64

According to the Australian Broadcasting Corporation, the Australian Technical Advisory Group on Immunization (ATAGI) recommended expanding the scope of the fourth dose of the new crown vaccine. By then, cancer patients, 1.5 million Australians, including people with chronic diseases or other complex health conditions and people with disabilities, will be able to receive the fourth shot.

Currently, people aged over 65, Aboriginal and Torres Strait Islanders over 50, and people with severely immunocompromised vaccinations can receive the fourth dose of the vaccine. At this stage, ATAGI does not recommend that healthy people aged 16 to 64 years receive the fourth dose of the vaccine. Acting Australian Health Minister Katie Gallagher said the fourth dose was a winter booster shot. She said the expansion of vaccination coverage is to ensure that those at greatest risk of serious infection are protected.

Editor in charge: Mao Yuanyuan

Proofreader: Chen Linhui

This article comes from [People's Daily Health Client] and represents only the author's opinion. , the national party media information public platform , provides information release and dissemination services.

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