Other than in North America, PDPs are outselling RPTVs due primarily to larger screen demand.

ENGADGET: Plasma HD sales overtake RPTVs worldwide HD

After discussing neglected diseases with NGOs and PDPs, I was curious to hear from the pharmaceutical sector.

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They are available to all of our external partners, including universities and PDPs.

FORBES: Novartis Institute Tackles Unprofitable Drugs

Those beneficiaries are automatically enrolled in Part D, and are able to take advantage of one of the PDPs in their area.

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Funding from the Gates Foundation allowed PDPs to get up and running, and today the industry is in the midst of some growing pains.

FORBES: Can Non-Profit Drug Companies Cure Diseases of Poverty?

According to DisplaySearch, overall PDP sales were up 89% last quarter in comparison to last year's second quarter. 1.13 million PDPs were sold in the quarter and PDPs now account for 2.9% of the worldwide television market.

ENGADGET: Plasma HD sales overtake RPTVs worldwide HD

Although Sony threatened to make an exit from the plasma market for a good while before actually pulling the proverbial cord, it seems that there's now a glimmer of hope that it'll bring those Sony-branded PDPs back.

ENGADGET: Sony looking to jump back into the plasma market? HD

As a group, PDPs like OneWorld Health, Medicines for Malaria Venture, the International AIDS Vaccine Initiative, Drugs for Neglected Diseases Initiative, and the Foundation for Innovative Diagnostics target diseases such as tuberculosis, malaria, Chagas, HIV and AIDS, and soil-transmitted helminthiasis, a group of parasitic infections caused by worms.

FORBES: Can Non-Profit Drug Companies Cure Diseases of Poverty?