Skip to main content
University of California San Francisco
Give to UCSF
Search
Small screen search
Choose what type of search to perform
All UCSF
UCSF News Center
About
Overview
Mission & Values
Our Impact
Achievements
UCSF in the Community
Give to UCSF
History
Facts & Figures
Budget
Inventions & Entrepreneurship
UCSF Fact Sheet
Give to UCSF
Administration
Campus Leaders
Chancellor
Executive Vice Chancellor & Provost
Community & Government Relations
Opportunity & Outreach
Finance & Administrative Services
Legal Affairs
Office of Communications
University Development & Alumni Relations
Give to UCSF
Locations
Give to UCSF
Patient Care
Overview
UCSF Health
UCSF Benioff Children’s Hospitals
UCSF Dental Center
Langley Porter Psychiatric Hospital and Clinics
Specialty Clinics
Clinical Trials
Give to UCSF
Research
Overview
Partnerships
Office of Research
Innovation Ventures
Postdoctoral Scholars
Give to UCSF
Education
Overview
Admissions
Schools & Programs
School of Dentistry
School of Medicine
School of Pharmacy
School of Nursing
Graduate Division
Global Health Sciences
Give to UCSF
Resources for Students
Academic Calendar
Career Center
Financial Aid
General Catalog
Library
Registrar
Student Success Guide
Give to UCSF
Give to UCSF
News & Media
UCSF News Center
UCSF Magazine
Campus News
Media Coverage
Resources for Journalists
Give to UCSF
Search
Give to UCSF
About
Close About menu.
About
Overview
Mission & Values
Our Impact
Our Impact
Achievements
UCSF in the Community
History
Facts & Figures
Facts & Figures
Budget
Inventions & Entrepreneurship
UCSF Fact Sheet
Administration
Administration
Campus Leaders
Chancellor
Executive Vice Chancellor & Provost
Community & Government Relations
Opportunity & Outreach
Finance & Administrative Services
Legal Affairs
Office of Communications
University Development & Alumni Relations
Locations
Patient Care
Close Patient Care menu.
Patient Care
Overview
UCSF Health
UCSF Benioff Children’s Hospitals
UCSF Dental Center
Langley Porter Psychiatric Hospital and Clinics
Specialty Clinics
Clinical Trials
Research
Close Research menu.
Research
Overview
Partnerships
Office of Research
Innovation Ventures
Postdoctoral Scholars
Education
Close Education menu.
Education
Overview
Admissions
Schools & Programs
Schools & Programs
School of Dentistry
School of Medicine
School of Pharmacy
School of Nursing
Graduate Division
Global Health Sciences
Resources for Students
Resources for Students
Academic Calendar
Career Center
Financial Aid
General Catalog
Library
Registrar
Student Success Guide
News & Media
Close News & Media menu.
News & Media
UCSF News Center
UCSF Magazine
Campus News
Media Coverage
Resources for Journalists
Open or Close Search Form
search
Choose what type of search to perform
All UCSF
UCSF News Center
Research
April 8, 2021
Researchers Identify Five New Cases of ‘Double Mutant’ COVID Variant in California
Share on Facebook
Share on Twitter
Share on Reddit
Email this article
Print this article
Topics
Epidemiology
Genetics and Genomics
Infectious Disease
Public Health
