All countries should immediately now activate their pandemic preparedness plans. Countries should remain on high alert for unusual outbreaks of influenza-like illness and severe pneumonia.

Maternal mortality health is a very sensitive indicator. All you need to look at is a country's maternal mortality rate. That is a surrogate for whether the country's health system is functioning. If it works for women, I'm sure it will work for men.

Doctors and nurses, with their training and their experiences, they would be able to detect unusual patterns of disease. That's why we say it is important for every country to have a proper surveillance system. The function of the surveillance system is to detect unusual patterns of diseases.

New diseases like SARS and bird flu cause anxiety in the community. People get worried, some to the extent that it even affects their health. You feel very sad, and yet you must carry on and maintain your cool in very trying and difficult moments. You have to tough it out.

Avoid activities outdoor. If you like to take an afternoon nap sleep under bed net. So these are measures that can be done to minimize [the] chance of infection [with Zika virus].

For a pandemic of moderate severity, this is one of our greatest challenges: helping people to understand when they do not need to worry, and when they do need to seek urgent care.

The unique nature about the influenza virus is its great potential for changes, for mutation.