Join MVA Vietnam to update the latest news about Omicron’s BA.5 sub-variant in the morning of June 28, 2022.
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The sub-variant BA.5 of Omicron that is believed to be capable of spreading rapidly has entered Vietnam. The World Health Organization warned that a new strain could complicate the disease and increase it again… The Ministry of Health recommends that people, especially at-risk groups, need to be vaccinated on schedule and in full doses.
Only 16 severe COVID-19 patients remain, the lowest number in the past 1 year
According to the Ministry of Health, on June 27 on the National System of COVID-19 Case Management, 637 new infections were recorded in the country (an increase of 80 cases compared to the previous day) in 39 provinces and cities (598). singing in the community). Hanoi increased by nearly 20 cases of COVID-19 compared to the previous day with 188 cases, followed by Hai Phong with 64 cases; Da Nang with 48 cases, Yen Bai with 20 cases.
The average number of new infections in the country recorded in the past 7 days has increased slightly to: 697 cases/day.
Since the beginning of the epidemic, Vietnam has had 10,744,085 infections, ranking 12 out of 227 countries and territories, while with the ratio of infections per million people, Vietnam ranks 104 out of 227 countries and regions territory (on average, there are 108,447 infections for every 1 million people).
The 4th outbreak (from April 27, 2021 to present): The number of infections recorded in the country is 10,736,318 cases. Localities that recorded high cumulative infections during this outbreak: Hanoi (1,605,226), Ho Chi Minh City. Ho Chi Minh City (610,032), Nghe An (485,541), Bac Giang (387,725), Binh Duong (383,801).
Scientific evidence to date has shown that the protective effectiveness of vaccines against COVID-19 is over 50%.
The total number of people who have recovered from COVID-19 in our country is: 9,656,467 cases. Currently being treated and monitored for 1,044,534 cases, of which the number of patients breathing oxygen is 16, including: Breathing oxygen through a mask: 11 cases; HFNC high flow oxygen: 2 cases; Non-invasive mechanical ventilation: 0 cases; Invasive mechanical ventilation: 3 cases. There were no more cases of ECMO intervention. This is the lowest number of seriously ill patients in the fight against COVID-19 in our country over the past 1 year.
Sub-variant BA.5 causes an increase in COVID-19 cases
At the meeting to provide medical information on the afternoon of June 27, Prof. Dr. Phan Trong Lan, Director of the Department of Preventive Medicine, Ministry of Health, said that Vietnam had the penetration of sub-variant BA.5 of Omicron, is likely to overwhelm the popular sub-variant in our country, BA.2.
“However, this is inevitable when people exchange and travel in the new normal. Through some initial small assessments, the BA.4 and BA.5 strains have the ability to spread faster than the previous BA.1 and BA.2” – Director General Phan Trong Lan said.
In European and American countries, BA.4 and BA.5 are the two culprits that make them face a new wave of COVID-19 waves. The US Centers for Disease Control and Prevention (CDC) on June 14 announced that as of June 11, more than 21% of COVID-19 cases in the country were due to infection with two subtypes of the Omicron variant. are BA.4 and BA.5; The number of new COVID-19 cases within 7 days (as of June 11) in the US was 105,615, up 6.7% from a week earlier.
The number of COVID-19 infections increased again in Singapore. Up to 45% of infections in the community in the past week were caused by sub-variants BA.4 and BA.5 of the Omicron variant, this rate was 30% the previous week.
These two highly contagious subtypes were placed on a watch list by the World Health Organization (WHO) in March and are considered variants of concern in Europe. The European Agency for Disease Control and Prevention warned that these new subtypes are spreading faster than other variants, which could lead to higher hospitalizations if they become mainstream in the region. area.
At the meeting, a representative of the World Health Organization (WHO) also said that the world is still in a pandemic. At the same time, WHO warned that a new strain could complicate the disease and increase it again. Therefore, countries still need to continue to maintain response measures such as vaccination, key surveillance, etc.
The protective effect after the 4th dose of COVID-19 vaccine can be recorded at all 5 levels
Dr. Vuong Anh Duong – Deputy Director of the Department of Medical Examination and Treatment Management, Ministry of Health said that in Vietnam, the COVID-19 treatment management system of the Department of Medical Examination and Treatment, the Ministry of Health recorded: 32,212 COVID-19 deaths, up to 52.8% of deaths were unvaccinated against COVID-19; 29.8% had 1 or 2 doses of vaccine and only 7.3% had 3 injections.
“This data once again confirms the need to administer the 1st booster (shot 3) for those who have completed 2 basic injections” – Dr. Duong said.
In addition, studies in the world and including a study in Vietnam have also shown that antibodies against SARS-CoV-2 after the 3rd injection will decrease significantly about 15 weeks after injection, especially anti-SARS-CoV-2. resistance to Omicron mutation. Therefore, the 4th injection is especially useful for people: People aged 50 years and over; People aged 18 years and over with moderate to severe immunodeficiency;
People aged 18 years and over are in high-risk groups for exposure to COVID-19 such as health workers, frontline officials (police forces, army, teachers, people working in the transportation sector, etc.) people providing essential services, people working at tourist service establishments, trade centers, supermarkets, markets), workers, people working in industrial parks.
Regarding the protective effectiveness of vaccines, Dr. Vuong Anh Duong added: The scientific evidence so far has shown that the protective effectiveness of vaccines to prevent COVID-19 is over 50%.
Specifically, a recent study published by the world’s leading medical journal NEJM, showed that the protective effect after the 4th injection can be recorded at all 5 levels of the disease, including the protective effect recover from illness, suffer from symptomatic disease, suffer from a disease requiring hospitalization, suffer from a serious serious illness, and contract a fatal disease, specifically as follows:
Effective protection against COVID-19 is 52%; The protective efficacy against the symptomatic mild form was 61%; The protective effect against the risk of hospitalization for COVID-19 was 72%; The effectiveness of protection against severe and critical COVID-19 is 64%; The protective effect against the risk of dying from COVID-19 was 76%.
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