The first in-home HIV test is announced; experts discuss PPACA at the Mississippi Health Care Reform Summit at Mississippi College; Angela Merkel gets a cold welcome in Athens; Christine Lagarde throws her hands up and the country braces for the Vice Presidential Debate. This and more in this week’s Week in Pictures. 

Health care law and compliance attorney Ashley Gillihan explains upcoming changes required by the federal health care overhaul to businesses at the the Mississippi Health Care Reform Summit at Mississippi College in Clinton, Miss., Wednesday, Oct. 10, 2012. The day long summit dealt with the current status of employer provided health care as well specific changes and their effect on businesses. (AP Photo/Rogelio V. Solis)

A banner with the picture of the German Chancellor Angela Merkel is seen during a protest in front of the parliament in Athens,Tuesday Oct. 9, 2012. Merkel got a hostile reception from many ordinary Greeks Tuesday when she flew into Athens on her first visit to the country since its debt crisis erupted three years ago. (AP Photo/Lefteris Pitarakis)

OraSure Technologies and Earvin “Magic” Johnson gets interviewed at the announcement of the nationwide availability of OraQuick® In-Home HIV Test, the first and only rapid over-the-counter (OTC) HIV test on Wednesday, Oct. 10, 2012 in New York. (Photo by Amy Sussman/Invision for OraQuick/AP Images)

Workers can be seen inside the State Health Operations Center in the Tennessee Department of Health on Monday, Oct. 8, 2012 in Nashville. Health officials in Tennessee are reviewing recent deaths that were not initially linked to a deadly fungal meningitis outbreak. (AP Photo/Kristin M. Hall)

International Monetary Fund Managing Director Christine Lagarde at the annual IMF/World Bank meetings in Tokyo Thursday, Oct. 11, 2012. Earlier in the day Lagarde called for urgent action to tackle Europe’s debt problems and an approaching fiscal crisis in the U.S., warning that the struggling world economy is already falling short of even pessimistic expectations. (AP Photo/Shizuo Kambayashi)

In this undated image provided by Merck, a model holds the Nexplanon hormonal implant for birth control. Providing women with free birth control prevents abortions and teen births, concludes a massive study released on Thursday, Oct. 4, 2012, with the strongest evidence to date that a bitterly contested Obama administration policy will benefit women’s health. (AP Photo/Merck)

A worker passes under relief sculpture of Vice President Joe Biden, left, and Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., in preparation for the Vice Presidential debate at Centre College, Wednesday, Oct. 10, 2012, in Danville, Ky. The debate is schedule for Thursday. (AP Photo/Eric Gay)