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.
The numbers here are historical averages based on climate data gathered at the McCarran International Airport, located near the south end of the Las Vegas Strip. In most years, Las Vegas averages a daily maximum temperature for September that's between 91 and 97 degrees Fahrenheit (33 to 36 degrees Celsius). The minimum temperature usually falls between 69 and 74 Â°F (20 to 23 Â°C). The days at Las Vegas begin to cool down quickly during September.