Hepatitis B is a serious infection that affects the liver. It is caused by the hepatitis B virus. 1  In 2009, about 38,000 people became infected with hepatitis B.  Each year about 2,000 to 4,000 people die in the United States from cirrhosis or liver cancer caused by hepatitis B.
Nearly every day in April warms to over 60 Â°F (21 Â°C) in Las Vegas. The city averages 3 days this month when the thermometer reaches into the 90s Â°F (over 32 Â°C). Temperatures above 100 Â°F (38 Â°C) are not expected here during April. At night, the thermometer dips to 50 Â°F (10 Â°C) or below on 5 days.
Average temperature in Las Vegas in September. According to the National Weather Service, the normal temperature in Las Vegas in September is 82.6 degrees. While still warm, this represents a nice cool down from the preceding month, as August weather in Las Vegas is much warmer, with a normal temperature of 90.6 degrees.