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.
From May to September in Las Vegas, nighttime temperatures stay above 50 Â°F. In July and August, the thermometer rarely dips below 70. On about half of winter nights the temperature does drop below 40. Freezing weather in Las Vegas happens an average of eight nights a year. Average number of days monthly in Las Vegas that stay above 50, 60 or 70 Â°F.