“Doctor Thira” opens Beijing University research, Found BA.2.75.2 There is a chance of the next wave of cases in the future.

On September 18, 2022, Professor Dr. Teera Worathanarat or “Doctor Thira“Chulalongkorn University Faculty of Medicine posted on Facebook “Thira Woratanarat” about the matter. covid today note that

Yesterday, worldwide, 325,828 more people died, 654 more deaths, bringing the total to 616,841,286 people, a total of 6,529,854 deaths.

The 5 most infected are:

  1. Japan
  2. Russia
  3. South Korea
  4. Taiwan
  5. France

Yesterday, the number of new infections meant that countries from Europe and Asia occupied eight of the top 10 and 18 in the world’s top 20.

The number of new infections every day in the world now. from Asia and Europe Together they accounted for 95.27 percent of the world’s population, while the number of deaths accounted for 85.01%.

Epidemic situation in Thailand

From this morning’s Worldometer data, it was found that

The number of deaths yesterday 9th highest in the world and 6th in Asia, although the Ministry of Health has modified the reporting system from 1 May until the number of reports has been greatly reduced.

Related news:

Update on Omicron BA.2.75.2

Cao YR and colleagues from Peking University, China, reported the results of the performance analysis of Omicron BA.2.75.2 Compared to other species

find BA.2.75.2 Much more resistant than other Omicron strains, in people who have received 3 Coronavac injections, as well as people who have been vaccinated with different strains.

Additionally, looking at the cell’s binding capacity to ACE2 receptors, BA.2.75.2, along with other Omicron subspecies found today, was more binding to the ACE2 receptor than the D614G strain (which used to cause second wave of cases around the world from late 2020 to early 2021).

The results of the study showed that BA.2.75.2 has immune evasion performance. and binds a lot to receptors on the cell surface Therefore, it is likely to lead to the next wave of cases in the future. If not protected

Long COVID in Brazil

Ceron ABC and a team from Brazil Conduct a comparative study of the rate of problems. Long COVID by collecting data from patients with a history of infectionCovid-19 Between September 2020 and April 2021, 814 people and 402 people who have ever been infected with COVID-19.

It found that those who had been infected with COVID-19 in the past had a 29.6% rate of long-term cases of COVID-19.

Among the long-term COVID patients, 55.9% affected their quality of life.

Protecting yourself from infection is the best thing. Wearing a mask correctly and consistently will greatly reduce the risk.


1. Cao YR et al. Imprinted SARS-CoV-2 humoral immunity induces the evolution of a convergent Omicron RBD. bioRxiv. 16 September 2022.

2. Ceron ABC et al. Prevalence and risk factors for prolonged COVID after mild disease: a longitudinal study with a symptomatic control group. medRxiv. 17 September 2022.


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