In some cases, these vaccines use epitopesâthe very specific parts of the antigen that antibodies or T cells recognize and bind to. Because subunit vaccines contain only the essential antigens and not all the other molecules that make up the microbe, the chances of adverse reactions to the vaccine are lower.
Tornadoes occur in many parts of the world, including Australia, Europe, Africa, Asia, and South America. Even New Zealand reports about 20 tornadoes each year. Two of the highest concentrations of tornadoes outside the U.S. are Argentina and Bangladesh.
There were 939 tornadoes confirmed in the U.S. in 2012. 85 fatalities have been confirmed worldwide in 2012: one each in Poland, Japan and Italy, three in New Zealand, five in Indonesia, six in Turkey and 68 in the United States.n January 25, several tornadoes were reported in Texas and Louisiana with a strong storm system that dumped heavy rain across Texas. One of these tornadoes, rated EF1, struck Austin, Texas and caused significant damage to homes and businesses. Losses throughout the city amounted to $1.5 million.