Food Safety for Pregnant Women. When pregnant, a womanâs immune system is reduced. This places her and her unborn baby at increased risk of contracting the bacteria, viruses, and parasites that cause foodborne illness. Foodborne illnesses can be worse during pregnancy and may lead to miscarriage or premature delivery.
The United States has been the world's largest economy for at least a century. One third of the world's millionaires and 40% of the worlds billionaires live in the United States, making it the wealthiest nation in the world.
It is also worldâs second most populous continent. 1.111 billion people (2013) live in Africa. Algeria is the largest country (by area) in Africa; and Nigeria is the largest country by population. In early 2014 Nigeria surpassed South Africa as Africaâs largest economy. Here is a brief overview of the largest economies in Africa: Oil and gas contribute significantly to Equatorial Guineaâs economy. The economy of Equatorial Guinea was affected by recession in 2013. It was due to fall in revenue from oil and lower oil and gas output.