Protozoan Cyst is a defense mechanism in the Protozoan family. It takes this form according to the conditions of the host. A change in pH, a change in oxygen supplies, anything that trigers the genetic mechanism. The cyst is evacuated trough the sediment. You could say that Cyst are a defense mechanism.
August National Immunization Awareness Month. Immunization, or vaccination, helps prevent dangerous and sometimes deadly diseases. To stay protected against serious illnesses like the flu, measles, and pneumonia, adults need to get their shots â just like kids do. National Immunization Awareness Month is a great time to promote vaccines and remind family, friends, and coworkers to stay up to date on their shots.
STD Awareness Month is in April â This yearâs theme: Syphilis Strikes Back. 1  State-Specific Rates of Primary and Secondary Syphilis Among Men Who Have Sex with Men â United States, 2015. 2  Announcement: Sexually Transmitted Diseases Awareness Month â April 2017. Dear Colleague Letter - NCHHSTP and STD Directors on STD Awareness Month and this yearâs theme. CDC Feature â Why CDC is focusing on syphilis and how you can get involved.