Finally, to asses whether TBEV triggers the cytopathic effect (CPE) in primary rat astrocytes, we recorded fields of view of TBEV infected primary rat astrocytes and control Vero E6 cells and measured their viability for 14 days (Figure 7).
Over the years, several other programs evolved until HUD was created by the members of the Presidentâs cabinet. The post was created on September 9, 1965 when President Lyndon B Johnson signed the Department of Housing and Urban Development Act into law.
The April 22 Earth Day, founded by Senator Gaylord Nelson, was first organized in 1970 to promote ecology and respect for life on the planet as well as to encourage awareness of the growing problems of air, water and soil pollution. Some people prefer to observe Earth Day around the time of the March equinox.