1 ï Bijker and Pinch use the example of the plastic Bakelite to illustrate their idea of social forces at work in shaping technology.ï Bakelike: an early plastic, started out as an artificial substitute for varnish. ï 2  It was not a market success.
One dose of Tdap vaccine is recommended for: 1  Kids aged 7 to 10 years who who did not get all 5 doses of DTaP vaccine. 2  Adolescents aged 11 to 18 years (preferably at 11 or 12 years of age). 3  Pregnant women need to get Tdap vaccine at each pregnancy, even if they've been vaccinated before.
Pregnant women need the Tdap vaccine with each pregnancy. If you had the Tdap vaccine as a teenager (age 11 or older), you donât need another one unless youâre pregnant, in which case, you should get the Tdap vaccine again when you are 27 to 36 weeks pregnant.