But we cannot forget, we are the heirs of this President, who showed us what is possible.

Sometimes, in the case of facilitating polymorphism, a flag will be passed to the factory method to indicate the specific interface implementation or subclass to be returned.

All available evidence indicates that no sustained human-to-human transmission is occurring in any country experiencing human cases.

Human-to-human transmission by bite is theoretically possible but has never been confirmed.

The initial investigation has found no evidence that the virus has increased its transmissibility or is spreading from person to person.