The medical establishment has launched a concerted drive to reassure the public that the controversial MMR vaccine is safe. A 3m publicity campaign to promote the vaccine will include TV advertising, videos and leaflets for health professionals and parents as well as information and training for doctors and nurses who require it.
It currently costs $1.10 to send a letter weighing one ounce or less to any international address. Previously, it cost 85 cents to mail a letter to Canada or Mexico and $1.05 to mail a letter to other international destinations.
How much does it cost to mail a letter to Peru from the US? According to the Postage Price Calculator http://ircalc.usps.gov/MailServices.aspx?country=10354&m=1&p=0&o=1 it costs $0.98 cents to mail a 1oz. letter from the U.S. to Peru â¦ .f the letter is an ounce or less, and it is a standard size, then  the cost is a first class stamp (currently $0.44).    Because Puerto Rico is essentially part of th â¦ e US.