Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks.

The world is currently experiencing a pandemic of an infectious ___(1)___ called COVID-19. It is caused by a newly discovered coronavirus. Most people ___(2)___ infected with the COVID-19 virus will experience cold or flu-like symptoms and recover without requiring special treatment. Older people, and those with underlying medical respiratory disease, diabetes, and cancer are more likely to develop serious illness. COVID-19 impacts the elderly and those with preexisting health conditions most severely.
The best way to prevent and slow down transmission is to be well-informed about the COVID-19 virus, what the disease causes and how it spreads. ___(3)___ yourself and others from infection by cleaning your hands ___(4)___ with alcohol-based hand rub or soap and water.
The COVID-19 virus spreads primarily through droplets of saliva or discharge from the nose ___(5)___ an infected person coughs or sneezes, so it’s important that you minimize the potential that you infect someone else.
At this time, there are no specific treatments for COVID-19. However, there are many ongoing clinical trials evaluating potential treatments. WHO will continue to provide updated information as soon clinical findings become available.