New strains could raise risk of larger dengue outbreak: Experts

SINGAPORE – New strains of less common dengue serotypes, which are usually imported, could raise the risk of a larger outbreak, say experts. Of the four distinct dengue virus variations, the DenV-1 and DenV-2 serotypes are most commonly seen here. The majority of infections since 2016 have been caused by DenV-2 – meaning that most... » read more

Most mutations do not affect virus activity: Expert
Most mutations do not affect virus activity: Expert

With more than 500,000 new cases of Covid-19 recorded worldwide every day and millions of active cases, the coronavirus has likely undergone thousands of mutations by now, said Professor Dale Fisher, a senior infectious diseases expert at the National University Hospital. But unlike the more infectious strains seen in Britain and South Africa, the majority... » read more