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.
One dose of Tdap vaccine is recommended during each pregnancy to protect your newborn from whooping cough (pertussis), regardless of when you had your last Tdap or tetanus-diphtheria (Td) vaccination. Ideally, the vaccine should be given between 27 and 36 weeks of pregnancy.