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.
1 Adults who are in contact with infants under 12 months (Tdap can be given as early as 2 years after you receive Td vaccine) 2  New mothers who have never received Tdap (during pregnancy, Td is usually preferred over Tdap)  Health care workers who are in direct contact with patients (once every 2 years)