The chair of the UK Vaccine Taskforce says there may never be a vaccine for coronavirus.
Coronavirus trial drug Remdesivir has been approved for use in Australia as Victoria registers 216 new cases overnight.
Professor Peter Horby, Professor of Emerging Infectious Diseases and Global Health, has said that dexamethasone is the 'only drug shown to reduce mortality'.
Around 90% of experimental vaccines never reach the clinic because of problems in development or manufacture.
Scientists in Thailand say they may have found a cheaper vaccine for COVID-19 that is currently undergoing further testing.
US President Donald Trump has called hydroxychloroquine a 'miracle drug' for treating coronavirus.