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Engineering review concludes "human-safe" non-thermal microwave virus inactivation lacks a demonstrated mechanism

October 24, 2026 (EMFS)
Sep 15, 2026 (original)
Source: Viruses (MDPI)
Source category: Research
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Galati and Pavan, researchers at Tor Vergata University of Rome, review two decades of claims that human-safe GHz microwaves can destroy viruses through structure resonance energy transfer (SRET), a proposed conversion of microwave photons into virus-shaking acoustic vibrations. Their physics analysis and computations find that microwave absorption in water produces broadband heating rather than single resonant phonons, that a 6-15 V/m field warms a droplet by at most 0.0001 kelvin in two minutes, and that the SRET mechanism has never been demonstrated. The review, in the journal Viruses, also examines patents and a commercial air-sanitization device marketed on this principle.

Quotes

"However, it is well known that e.m. photons’ absorption in water or in organic media does not generate single phonons at the same frequency. Rather, it generates many thermal phonons across a wide frequency spectrum according to the widely known microwave heating effect, as exploited, inter alia, in the microwave oven."

— Galati & Pavan, Viruses

"Summing up, we believe that the proposed inactivation of respiratory viruses by the alleged phenomenon of SRET, i.e., by means of radiated human-safe microwaves, has no significant effects on infecting droplets nor on viruses within the droplets."

— Galati & Pavan, Viruses

"We did not find any certification by a national or international health service/department, such as the ISS (Istituto Superiore di Sanità), concerning its anti-virus/disinfection effectiveness."

— Galati & Pavan, Viruses (on the e4life device)

Location

📍 Rome, Italy

Map: Rome, Italy

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Source

Can Non-Thermal Microwave Irradiation Inactivate Viruses? A Review with Some Computations mdpi.com

📄 Underlying Research

Can Non-Thermal Microwave Irradiation Inactivate Viruses? A Review with Some Computations.

Galati G, Pavan G (2026) Viruses Journal Level 1ⓘ

🔗 DOI 📚 PubMed

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