P-Values

Discover perspectives on the latest findings, biggest challenges and most exciting successes in our collective work.

At P-Values, you’ll find updates, perspective, insights and information from staff and partners working on the frontlines of research, advocacy and implementation. P-value is a statistical term for the probability that a trial result is reliable and not the outcome of chance. 

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Supreme Court Upholds ACA Preventive-Care Protections

AVAC welcomes today’s ruling affirming the constitutionality of the Affordable Care Act’s preventive services mandate, including coverage for HIV pre-exposure prophylaxis (PrEP) at no cost to patients. This decision represents a critical victory for public health, health equity, and the millions of people who rely on preventive services to stay healthy and safe.

June 2025


Global Health Watch: USAID in the Spotlight, Gavi Replenishment, Defense of the Rescissions Package and ACIP

This week brought major media attention to the devastating dismantling of USAID, even as the FDA’s approval of lenacapavir for PrEP signaled new hope in HIV prevention. At the same time, vaccines were under even greater assault as the US administration announced it would withdraw support from Gavi based on spurious claims, while the CDC’s Advisory Committee on Immunization Practices met for the first time since the Secretary of Health and Human Services fired leading vaccine experts and replaced them with a group of skeptics.

June 2025


The Cruel Irony of Prevention

It’s only been 22 weeks since the US President began dismantling US foreign aid. AVAC took a public stand against this attack on global health in our court case. All this comes at the same time as the introduction of a potentially transformational moment in HIV prevention — the introduction of injectable lenacapavir for PrEP.

Prevention Option:

June 2025


Global Health Watch: LEN for PrEP approved by US FDA, South Africa’s HIV program in crisis, changes to oversight of NIH HIV guidelines

This week, we cover the US FDA approval of injectable lenacapavir (LEN) for PrEP, the “most transformative prevention product we’ve had in 44 years of this epidemic”, which demands urgent action if the remarkable science is translated into public health impact. Plus, updates on South Africa’s HIV program in crisis, oversight changes on NIH’s HIV clinical guidelines, and a court ruling halting illegal grant terminations.

June 2025


FDA Approves Injectable LEN for PrEP

This is the moment for all stakeholders to build on the momentum science. LEN has moved faster through regulatory review than any prevention product to date. Now it’s up to all of us to make sure that that progress translates into real, sustained impact on the epidemic, led by communities around the world. Let’s get to work.

June 2025


Global Health Watch: Fired Vaccine Experts; House Rescissions Votes; CDC Staff Called Back; NIH Scientists Speak Out

This week brought the unprecedented removal of the US vaccine advisory committee, layoff reversals and confusion at the US CDC and a public letter signed by over 1,000 NIH scientists denouncing the administration’s actions. And just as this week’s issue was going to press, the US House of Representatives passed the President’s request for a rescission of billions of dollars – primarily for foreign assistance. This week underscored the urgency of defending evidence-based health policy.

June 2025


AVAC Condemns Removal of the Advisory Committee on Immunization Practices

AVAC strongly condemns Secretary of Health and Human Services, Robert F. Kennedy, Jr., for removing all members of the Advisory Committee on Immunization Practices (ACIP). This committee of vaccine experts—with decades of experience in vaccine development, delivery and safety—is responsible for developing the country’s vaccine policies and recommendations for the CDC.

June 2025


New Report: Getting PrEP Rollout Right This Time

Getting PrEP Rollout Right This Time: Lessons from the Field examines key insights from the rollout of oral PrEP and early introduction of injectable CAB and the dapivirine vaginal ring to inform a faster, smarter and more equitable introduction of future HIV prevention tools, including long-acting injectable PrEP, such as lenacapavir.

June 2025


Global Health Watch: Dismantling Decades of Progress, FY26 Proposed Budget and Rescissions Package and More

This week brought more devastating actions from the US administration, with serious consequences for global health. From a proposed rescissions package of the current year’s funding to deep cuts in the proposed Fiscal Year 2026 budget, the end of funding to the leading NIH-funded vaccine consortia, to proposed reductions to the Global Fund match and new immigration restrictions, the threats to health, science, global partnerships, research progress, and health equity are here.

June 2025


AVAC Denounces White House Effort to Codify DOGE Cuts to Health, Research and Foreign Assistance

AVAC denounces recent proposals and actions by the US administration that signal a clear intention to defund and eliminate lifesaving global health research, development and delivery programs. If passed by Congress, proposed funding rescissions for the current year’s budget would claw back billions of Congressionally appropriated dollars for critical, life-saving programs.

June 2025


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P-Values Blog

Discover perspectives on the latest findings, biggest challenges and most exciting successes in our collective work.

Advocates Network

AVAC’s email list for organization and individuals interested in timely updates and critical perspectives on developments in biomedical HIV prevention.

Weekly News Digest

A comprehensive round-up of HIV prevention media coverage and scientific publications.

PxPulse

Each month this podcast uses interviews, discussion and first-person reflections to explore vital topics confronting the field of HIV prevention research.

PxWire

PxWire is AVAC’s quarterly update on biomedical HIV prevention. Each issue highlights key developments, challenges and opportunities, and features a centerspread infographic that provides a visual tool for framing these issues.

Pandemic Watch

Pandemic Watch is a curated news digest on the latest pandemic prevention, preparedness, and response (PPPR) news and resources.

Press Releases

A collection of official statements from AVAC.

AVAC in the News

Media clippings featuring AVAC, its staff and close partners in the news media.