Yes Hurricane Isaac killed about 40 people.
It caused either 17 or 18 deaths
None. All deaths from Hurricane Katrina were in the U.S.
No. First Isaac isn't even a hurricane yet (as of August 27, 2012). It is still a tropical storm. Even though Isaac is a very large storm it is still not as large as Katrina. Based on forecasts Isaac probably won't get any stronger than a category 2 hurricane. Katrina was a category 5.
Yes. Preliminary estimates indicate that Hurricane Matthew killed 6 people in Florida.
Smallpox does not cause any deaths. Other preventable diseases cause deaths.
Yes. The vast majority of deaths from Hurricane Matthew were in Haiti. As of October 10, 2016 the death toll in Haiti is at least 1,000. This figure will likely rise as relief workers reach towns cut off by the hurricane.
Hurricane Julia was a Category 4 hurricane in the Atlantic Ocean in 2010, but it did not directly impact any land areas, so it did not result in any reported deaths.
So far the death toll for Hurricane Irene totals 55. 46 of those deaths were in the U.S.
Yes.
Hurricane Jessica did not cause any direct fatalities.
Yes. Any hurricane threatening your area is cause for concern. You should never dismiss a hurricane because it does not have a high rating. Category 2 winds can still cause significant damage to homes and the rain from any hurricane can easily cause major flooding.
Hurricane Fred did not cause significant damage as it dissipated over the eastern North Atlantic Ocean.