Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Electron micrographs showing viruses from the Sing-M105-02 and Sing-M100-02 isolates. Viruses were concentrated from the tissue culture fluid of virus-infected Vero cells and negatively-stained. Magnification at x50,000. Scale bars represent 100 nm.
