Construction: Preventing Fatalities. Construction can be a safe occupation when workers are aware of the hazards, and an effective safety and health program is used. This eTool will help workers identify and control the hazards that commonly cause the most serious construction injuries.
5 June 2014 â¢ 7:45pm. Fasting for as little as three days can regenerate the entire immune system, even in the elderly, scientists have found in a breakthrough described as remarkable.
Those with suppressed immune systems may also need to take antiviral medicines like Tamiflu, to help them prevent infection, if they are exposed to someone with the flu. For adults who are otherwise healthy it takes about 3 weeks after the vaccination to gain full immunity.