Liquid - Introduction. 1  Liquid is one of the four primary states of matter, with the others being solid, gas and plasma. 2  A liquid, like a gas, displays the properties of a fluid. 3  Liquid particles are bound firmly but not rigidly.
Thailand Vaccinations. While shots are not required for people from major industrialized countries like the U.S. and UK, unless the traveler is arriving from a country for which inoculations are required. Many people recommend the following: 1  Up-to-date hepatitis, typhoid, tetanus and polio.
1 You need to return for another shot every 11 to 12 weeks and no later than 13 weeks.  The shot slowly wears off over time, so you can't count on being protected against pregnancy longer than 12 weeks after the last shot.