There are many dermatological manifestations of tuberculosis, ranging from distinct entities such as tuberculosis verrucosa cutis, lupus vulgaris, scrofuloderma, to tuberculides. The term tuberculide...

Whilst infections caused by Mycobacterium tuberculosis may be a common occurrence in this part of the world, those caused by atypical mycobacteria are rarely...

A 38-year-old Chinese man and lifetime non-smoker, who had previously been well, was referred for investigation of bilateral reticulonodular infiltrates noted on his chest...

The World Health Organization has declared that the recent resurgence of tuberculosis (TB) is a global emergency. Southeast Asia, which is seeing the greatest...

BCG vaccines are live vaccines derived from a strain of Mycobacterium bovis that was attenuated by Calmette and Guerin at the Pasteur Institute in...

Asthma is a very common condition which presents clinically with cough, shortness of breath and wheezing. However, ‘all that wheezes is not asthma’, is...

Severe acute respiratory syndrome (SARS) is the first severe and readily transmissible new disease to emerge in the 21st century (WHO). The countries most...

Pulmonary tuberculosis is a worldwide disease. In Hong Kong, there are about 7000 new cases of pulmonary tuberculosis each year and the prevalence remains...

SARS has been described as a Chinese plague because it emerged from the colourful markets of wild animals and the exotic kitchens of Guangdong,...

Tuberculosis (TB) has been present since ancient times. Around 460 BC, Hippocrates identified phthisis, which is the Greek term for consumption (TB seemed to...

Tuberculosis (TB) is an ancient disease that has been detected in 3000-year-old Egyptian mummies. Robert Koch’s discovery of the tubercle bacillus as the aetiologic...

Tropical countries such as Singapore, although without well-defined influenza seasons, are also affected by influenza epidemics and pandemics. Twenty per cent of Singapore’s population...

Influenza causes significant morbidity, mortality and economic impact in Singapore. According to a recent report, there are about 4.2 million cases of influenza-like illness...

Medical schools play an important role not only in the building of medical expertise but also in the socialisation of future physicians. Societies expect...

Influenza has a major impact on the health of residents of long-term residential care facilities (LTCF). Residents of LTCFs are especially vulnerable to influenza...

Just over a year ago, the swine-origin influenza A (H1N1) virus emerged in Veracruz, Mexico, and rapidly alarmed public health and influenza experts by...

“A man without ethics is a wild beast loosed upon this world.” -Albert Camus (1957 Nobel Prize for Literature) As the microscopic ‘wild beasts’ of infectious...

The clinical utility and safety of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in the diagnosis and mediastinal staging of patients with non-small cell lung...

The COVID-19 pandemic began in late 2019 and was declared a pandemic by the World Health Organization (WHO) on 11 March 2020. To decrease...

Coronavirus disease 2019 (COVID-19) was declared a pandemic by the World Health Organization (WHO) on 11 March 2020, with over 110 million cumulative cases...