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Table 1 Key transmission parameters of selected diseases

From: Models of epidemics: when contact repetition and clustering should be included

Disease R 0 τ[d] Transmission pathways[32]
Chickenpox (Varicella) 7–12[3] 10–11[3] Direct contact, airborne, droplet, contact with infectious material
Ebola 1.34[42]a 1.79[43] 1.83[42]b 2.13[43]c, a 3.07[43]c, b 14[43] Direct contact, contact with infectious material, monkey-to-person
Influenza 1.3; 1.8; 3.1[17]d 1.39[51] 1.58; 2.52; 3.41[52]e 1.7–2.0[53] 2–3[54]f 3.77[55] 2–3[3] 2.27[55] 3–7[56] Direct contact, airborne, droplet [57]
Measles 5–18[3] 7.17–45.41[33]g, h 7.7[34] 15–17[32] 16.32[33] g 6–7[3] Direct contact, airborne, droplet, contact with infectious secretions
MRSAi 1.2[41]j as long as purulent lesions continue to drain[40] Direct contact, contact with infectious material[40]
Mumps 7–14[3] 4.4[35]h 10–12[32] 4–8[3] Direct contact, airborne, droplet, contact with infectious secretions
Norovirus 3.74[37]j 1.8[37]j Direct contact, droplet (vomiting), contaminated food[38, 39]k
SARSk 1.43[43]l 1.5[43]m 1.6[47] 2.2–3.7[48] >2.37[49] 4[49] 5[43] Close direct contact
Whooping cough (Pertussis) 10–18[3] 15–17[32] 7–10 [3] Direct contact, airborne, droplet, contact with infectious secretion
  1. Abbreviations, data sources and methods for the calculation of R0, as far as known: a outbreak Uganda 2000 [44]; b outbreak Congo 1995 [45]; c regression estimates; d 1918 pandemic data from an institutional setting in New Zealand [17]; e 1918 pandemic data from Prussia; assuming serial intervals of 1, 3 and 5 days [52]; f 1918 pandemic data from 45 cities of the United States [54]; g data from six Western European countries [33]; h age structured homogenous mixing model; i MRSA, Methicillin-Resistant Staphylococcus Aureus;j hospital outbreaks; k SARS, Severe Acute Respiratory Syndrome;l outbreak Singapore 2003 [50]; m outbreak Hong Kong 2003 [50]