According to a study conducted by Chinese experts, there is a possibility of COVID-19 aerosol transmission between two closely placed buildings.
Based on a locally transmitted case reported in May in south China’s Guangdong Province, researchers from the China Center for Disease Control and Prevention (CDC) and local CDC staff in Guangdong collaborated to undertake the investigation.
The index patient (the first detected local case) and close contact (later diagnosed as an imported case) were discovered to be in two distinct buildings in a Guangzhou hospital at the same time before the diagnosis.
COVID-19 can already be spread via aerosol; however, transmission typically occurs in confined settings, according to scientists.
Buildings in close proximity are referred to as “handshake buildings” or “kissing buildings” in Guangdong. In the instance of the Guangzhou hospital, the two buildings are barely 50 cm apart and share an exterior ceiling, resulting in a relatively contained environment.
Virus sequencing revealed that the viruses infecting the two patients originated from the same source. Aerosol transmission, according to epidemiology scientists, could be the transmission vector in this case.
The researchers used fluorescent microspheres with similar aerodynamic properties to the COVID-19 virus in the following field simulation to prove the notion at six spots relevant to the two cases in the two buildings.
Fluorescent microspheres are round spherical particles that exhibit vivid colors when irradiated by UV light to demonstrate aerosol particle dispersal in the air.
According to a report in China CDC Weekly, there were clear aerosol transmission pathways between the close contact area and the index case. And the airflow from turning on and off the air conditioner, as well as opening and closing doors and windows, had the greatest impact on the transmission.
It was discovered that even with doors and windows closed, particles could still flow slowly between the two buildings as long as air conditioners were turned on.
According to the study, more consideration should be given to the potential of aerosol transfer in close-proximity structures. It further stated that hospitals’ isolation wards and normal outpatient areas should be kept at a safe distance from one another, and that the hospital should monitor the airflow layout in isolation wards.
Source: Xinhua News Agency
The Chinese Ambassador is hopeful for the second shipment of the vaccine gifted from China to arrive in the Maldives soon.
Chinese Ambassador in the Maldives, Wang Lixin has said that she expects the second shipment of Covid vaccines from China to arrive in the Maldives soon. Her Excellency Wang Lixin said this in a tweet last week Tuesday after a meeting with Maldives Health Minister Ahmed Naseem.
Glad to meet with Minister @KerafaNaseem and discuss how to implement consensus reached by Pres. Xi Jinping and Pres. Solih and strengthen 🇨🇳🇲🇻health cooperation. Hope the additional 400,000 doses of China-aided vaccines arrive in Maldives at an early date. pic.twitter.com/DHlDo2QkB3
— Ambassador Wang Lixin (@China_Amb_Mdv) September 19, 2021
In this meeting with the health minister, it was discussed to strengthen the relationship between the 2 countries and work together as per the agreement between President Ibrahim Mohamed Solih and the President of China, Xi Jinping. Discussions have been made to improve the health benefits between the 2 countries as well. On this note, the Chinese Ambassador has said that 4 there are 400,000 doses of the Sinopharm Vaccine on its way to the Maldives.
The first batch of vaccines donated by China was received at the beginning of this year with 2 lakh vaccine doses. After which, it was announced two months ago that 4 lakh doses were donated again by China. China is the one country that has donated the highest number of vaccine doses to the Maldives with a sum of 6 lakh vaccine doses to fight against Covid-19.
The removal of Maldives from the red list, increases the demand of British tourists
Since the Maldives was removed from the UK’s red list, demand from UK visitors has surged. According to UK media, travel websites in the country have seen a spike in traffic following the adjustments they made to their travel list on Friday. That day, the Maldives was moved from the red list to the amber list. According to reports, the majority of individuals wish to visit the Maldives, as well as Sri Lanka and Mexico.
Sky Scanner, one of the largest travel websites in the UK, reported a 95 percent surge in visitor demand last week. This increase is thought to be the result of the UK changing its COVID regulations to give permission for fully vaccinated people to move without having to have a PCR test. Another difference is that returning to the UK from an amber list country now simply requires quarantining at home rather than in a hotel.
Vaccines donated by China arrive in Kenya as the pandemic struggle intensifies
Senior Kenyan government officials received a batch of Sinopharm COVID-19 vaccine doses from China on Saturday as the East African nation speeds up inoculations for high-risk populations against the virus, saying they will re-energize the country’s pandemic fight.
“The vaccines we are receiving today are testament to our two countries’ cordial relations, which extend beyond health care to include trade and other sectors of development,” said Susan Mochache, principal secretary of the Ministry of Health, who was among the officials who welcomed the arrival of the vaccine doses donated by China at Nairobi’s main airport.
Kenya’s pharmaceutical regulatory body has already approved China’s Sinopharm vaccine, as well as vaccines manufactured by Moderna, Johnson&Johnson, Pfizer, and AstraZeneca, as the government speeds up its immunization program.
According to Mochache, the receipt of the Sinopharm vaccine is a huge step forward in Kenya’s efforts to limit the pandemic and speed up the return to normalcy.
The two-dose Sinopharm vaccine, which can be delivered at 28-day intervals and stored at temperatures ranging from 2 to 8 degrees Celsius, is ideal for Kenya’s cold chain capability, according to Mochache.
The vaccination donation, according to Zhang Yijun, minister counselor at the Chinese Embassy in Kenya, underscores the vitality of bilateral cooperation between Nairobi and Beijing.
The vaccines that have come and are on their way “are a monument to our two countries’ comprehensive strategic cooperative collaboration and the profound traditional affection between our two peoples,” according to Zhang.
China has provided Kenya with ventilators, face masks, and personal protective equipment, as well as knowledge about pandemic control and prevention.
Kenyan health officials have previously voiced trust in China’s Sinopharm vaccine, claiming that wider availability will aid in the suppression of the coronavirus, ease the burden on the public health system, and support economic recovery.
Willis Akhwale, chair of the Ministry of Health’s COVID-19 vaccination task team, stated that Sinopharm’s approval by his country’s drug regulatory agency was a statement of confidence in its efficacy.
The Chinese vaccinations have also been deployed in Rwanda, where 200,000 Sinopharm doses were sent on August 19, and Zimbabwe, where a batch of Sinovac vaccine doses ordered from China on July 8 was delivered.
The Sinovac vaccine was licensed for use by South Africa’s Health Products Regulatory Authority on July 3, with state officials, labor unions, and political and civil society leaders expressing confidence in its efficacy.
Source: Xinhua News Agency
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