PPT-HIV transmission: Virus, host and

microbiome Setting the scene Professor Gilda Tachedjian Burnet Institute Disclosure of Speakers Interests No potential conflict of interests Globally almost 2 million new HIV Infections in 2017. viruses. General description. Viruses is not living organism, as they lack two essential properties of life- they cannot . replicate. independently, and cannot . survive. long –term independently so it is obligate intracellular organism .. Charles J. Russell, PhD. postdoc: Crystal Burke, PhD. Funding: NIAID R01AI083370. HPIV1, HPIV2, HPIV3. leading cause of pediatric hospitalization (21,000/. yr. in USA). . virtually all infected by age 5; reinfections common but usually less severe. Instructions. You may use your notes.. Write your answers in the spaces provided.. This review is due at the end of the period!. 1. What . process is . shown in . the . diagram below. ?. . Describe what is happening in each step.. Charles J. Russell, PhD. postdoc: Crystal Burke, PhD. Funding: NIAID R01AI083370. HPIV1, HPIV2, HPIV3. leading cause of pediatric hospitalization (21,000/. yr. in USA). . virtually all infected by age 5; reinfections common but usually less severe. Unit 2 – Organisms and Evolution. Parasitism. A: Ecological niche and competition. B: Parasite niches. C: Transmission and host behaviour. D: Parasitic life cycles. E: . Immune response to parasites. Cassandra Salgado, MD, MS, FIDSA, FSHEA. Professor of Medicine and Public Health. Division Director, Infectious Diseases. Medical University of South Carolina. Active . Zika. Virus Transmission June 2016. Didinium. Experiments. Lotka. -Volterra Predation Equations. : . N. 1 . N. 2 . = Contacts . two . coefficients of predation,. . p. 1. . and. p. 2 . plus . r. 1. and . d. 2. . dN. 1 . /. dt. Didinium. Experiments. Lotka. -Volterra Predation Equations. : . N. 1 . N. 2 . = Contacts . two . coefficients of predation,. . p. 1. . and. p. 2 . plus . r. 1. and . d. 2. . dN. 1 . /. dt. . . The process of transfer of virus into host is referred as . TRANSMISSION. and this is an important step in the life cycle of viruses.. Person to person infections are said to be . HORIZONTAL. . Parasitism. A: Ecological niche and competition. B: Parasite niches. C: Transmission and host behaviour. D: Parasitic life cycles. E: . Immune response to parasites. F: Challenges in treatment and control. Kurth A, Wibbelt G, Gerber H, Petschaelis A, Pauli G, Nitsche A. Rat-to-Elephant-to-Human Transmission of Cowpox Virus. Emerg Infect Dis. 2008;14(4):670-671. https://doi.org/10.3201/eid1404.070817. . . . In order not to die out, viruses must be propagated and transmitted to new hosts in which more . virions. can be produced. The only other way for the survival of virus genes is to be maintained as in cells as nucleic acids, which are replicated and passed on to daughter cells when the cells divide. . LAST UPDATE: 22 July 2020. What do we know about. COVID-19 transmission?. CORONAVIRUS. UPDATE. 32. 2. > 14,7 million cases. Current global situation. 22 July 2020. United States of America . Brazil . Xabier. López-Alforja. 1. *, David López-Escardó. 1. , Manuel Martínez García. 2. , Sheree Yau. 3. , Ramon Massana. 1. , Felipe H. Coutinho. 1. & Dolors Vaqué. 1.  . DB. nº query scaffolds .