Patent · US Active

Influenza vaccines

US10912825B2 · kind B2 · utility

0Cited by

1References

24Claims

0Family size

Assignee

KJ Biosciences LLC · US

Inventors

Yawei Ni · College Station, US
Jianhua Guo · Bothell, US

Key dates

Filing date	Jan 14, 2019
Grant date	Feb 9, 2021
Priority date	—
Expiry date	Jan 14, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N2760/16234
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An influenza vaccine comprising an influenza hemagglutinin-containing antigen which is subjected to a treatment at a suitable low pH or other suitable conditions to obtain a suitable degree of loss of potency, and the method of making it are provided. The vaccine not only induces an increased cross-reactive immune response and cross protection, but can also induce a strain-specific immune response and protection like current inactivated vaccines. A method of administering influenza vaccines is also provided to induce an increased cross-reactive immune response and cross protection, which is especially suitable for use in emergency situations such as a pandemic.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.