It is possible that they all had common exposure to sick poultry but it is also possible there may have been human to human transmission. We don't have enough information to draw a hypothesis either way.
We don't have enough information to make any kind of hypothesis.
We don't have any information to suggest that this virus is more pathogenic or dangerous than other viruses.
We don't have any information about cases actually in the capital.
At the moment we don't have very good information about how extensive these outbreaks are.