New Infectious Threats


Emerging infections (last 50 years)






Anthrax in 2001


Smallpox possibility


Some diseases that spread by direct contact
are increasing in prevalence:

    The major sexually transmitted diseases (STDs):
        Chlamydia         Gonorrhea     Syphilis
        Mycoplasma genitalium
        Viral STDs incl.HPV     Parasitic STDs
    Factors increasing prevalence
    Tuberculosis
    Other diseases spread by contact (incl. Ebola)
*Ebola







Emerging     Ques.1













*Foodborne





*Cholera




Emerging     Ques.2





Aerosol-dispersed viral diseases:
        SARS         MERS     Covid-19
*SARS, MERS