SecureRandom, ThreadLocalRandom. An instance of this class is used to generate a stream of pseudorandom numbers. The class uses a 48-bit seed, which is modified using a linear congruential formula. (See Donald Knuth, The Art of Computer Programming, Volume 2, Section 3.2.1.).
At Walmart, for instance, the dual A and B vaccine can cost about $114 and about $169 at CVS. At Walgreens, according to our phone call, the costs of Hepatitis A for adults would be $117 per shot and two shots would be needed. For Hepatitis B, which would be a series of three shots, would cost about $100 per shot. thegirlandglobe.com listed the prices she paid, and according to her bill, she paid $90 for the Hepatitis A shot for an adult and $85 for the Hepatitis B shot.
The Med Express in Virginia quoted a price of $30 for a flu shot. I should have just paid it, but unfortunately I was silly enough to present my insurance card, for which Med Express billed $45.00! The negotiated rate came to $37 which it turns out my insurance won't cover.