Public health Epidemiology
11 Sep 2020
Face masks have become an important tool in fighting against the COVID-19 pandemic. However, improper use or disposal of masks may lead to "secondary transmission". A research team from City University of Hong Kong (CityU) has successfully produced graphene masks with an anti-bacterial efficiency of 80%, which can be enhanced to almost 100% with exposure to sunlight for around 10 minutes. Initial tests also showed very promising results in the deactivation of two species of coronaviruses. The graphene masks are easily produced at low cost, and can help to resolve the problems of sourcing raw materials and disposing of non-biodegradable masks.
27 Jul 2020
The COVID-19 pandemic has thrown up unimaginable challenges for healthcare workers. Even simple outpatient procedures such as endoscopies can expose staff to the risk of infection.
23 Apr 2020
A range of essential textbooks from all disciplines will be freely available to support higher education institutions worldwide
17 Mar 2020
The Faculty of Medicine at The Chinese University of Hong Kong (CU Medicine) analysed more than 300 specimens (including sputum, nasopharyngeal swabs, deep throat saliva, blood, urine and stool) from 14 Hong Kong patients confirmed with COVID-19 and discovered that the virus was detectable in the fecal samples of all patients, regardless of the degree of illness. Three out of 14 patients still had viruses in their stool samples even though the virus was no longer found in sputum, nasopharyngeal and deep throat saliva samples. This finding suggests that virus shedding in stool is common and can be an alternative screening tool. Importantly, we should not overlook the potential risk of environmental contamination by virus shedding in stool.
04 Dec 2018
A researcher at University of Malaya, Malaysia, has developed a real-time method based on specific Volatile Organic Compounds (VOCs) to detect dangerous bacteria causing foodborne diseases in raw chicken.
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Infectious Disease Epidemiologist. Enlisted in the IHR roster of Experts. Included in the Emergency committees of MERS CoV, Ebola and Poliomyelitis. Current Chair and members in different committees of WHO.