HIV may be becoming less fit as it adapts to the immune system

HIV, at least in some parts of the world, may be developing a lower replicative capacity as it adapts to variations in the human immune system, studies in southern Africa and elsewhere suggest.

Philip Goulder of the University of Oxford told the AIDS Vaccine conference last month that competition between HIV and certain varieties of human HLA (human leukocyte antigen) genes may be contributing to a diminution in HIV virulence, a lower community viral load, and an increased proportion of ‘elite controllers’ in the population.

Goulder remarked that these changes seemed to be happening surprisingly fast, and that in some populations the introduction of antiretroviral therapy would also tend to reduce the fitness of the HIV that was still circulating.

Gus Cairns
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During the Canada Post strike announced September 25, 2025, the following measures will be undertaken to minimize service disruption to BC-CfE clients and providers.

  • The BC-CfE Laboratory has transitioned to private courier for delivery of outgoing reports and documents. Results required urgently can be faxed upon request. (Lab Contact Information: Phone 604-806-8775; FAX 604-806-9463)
  • The BC-CfE Drug Treatment Program (DTP) will fax outgoing forms and documents to the provider’s office. (DTP Contact Information: Phone 604-806-8515; FAX 604-806-9044)
  • St. Paul’s Hospital Ambulatory Pharmacy has transitioned to private courier for delivery of medications. We recommend requesting medication at least 2 weeks in advance in case of delivery delays, particularly to rural/remote parts of BC. (Contact Information: Phone 1-800-547-3622; FAX 604-806-8675)

During the Canada Post strike, we recommend that documents be faxed or couriered to our sites, versus utilization of regular mail service

The BC-CfE Laboratory is streamlining reporting processes for certain tests in order to simplify distribution and record-keeping, and to ensure completeness of results. Beginning September 2, 2025, results for the ‘Resistance Analysis of HIV-1 Protease and Reverse Transcriptase’ (Protease-RT) and ‘HIV-1 Integrase Resistance Genotype’ tests will be combined into a single ‘HIV-1 Resistance Genotype Report’.
For more details and example reports, please click on the button below