1 Apart from knowing what you should avoid, you should also be aware of certain foods that are loaded with nutrients that will support your immune system. 2  Eating a nutritious diet is more effective than taking supplements or falling victim to vaccines, which expose you to health risks far worse than the flu.
Installing protection or cover can increase the comfort of the space; a screened enclosure, pergola or patio cover might add between $500 and $2,000 to the bottom line. Adding a more traditional roof structure for a porch could double the cost of building an open deck.
General contractor fees can also add to the cost of a screened-in porch. The average cost of a general contractor is between 12.1 and 19.3 percent of the porch price. The contractor supervises the project, which usually takes place over two to three weeks.