PubMed search strategy
| Query number | Search terms |
| #1 | ‘Herpesvirus 3, Human’[Mesh] OR ‘Varicella zoster’ |
| #2 | ‘Chickenpox’[Mesh] OR varicella OR ‘Herpes Zoster’[Mesh] |
| #3 | #1 OR #2 |
| #4 | epidemiology OR prevalence OR incidence OR burden |
| #5 | hospitalisation OR hospitalization OR mortality OR ‘case-fatality rate’ |
| #6 | #4 OR #5 |
| #7 | #3 AND #6 |
| #8 | ‘Africa’[Mesh] |
| #9 | (Algeria) OR (Angola) OR (Benin OR Dahomey) OR (Botswana) OR (‘Burkina Faso’ OR ‘Republic of Upper Volta’) OR (Burundi) OR (Cameroon) OR (‘Canary Islands’) OR (‘Cape Verde’) OR (‘Central African Republic’) OR (Chad) OR (Comoros) OR (Congo) OR ((‘Democratic Republic of Congo’) OR (Zaire)) OR (Djibouti) OR (Egypt) OR (‘Equatorial Guinea’) OR (Eritrea) OR (Ethiopia) OR (Gabon) OR (Gambia) OR (Ghana) OR (Guinea) OR (‘Guinea Bissau’) OR (‘Ivory Coast’ OR ‘Cote d’Ivoire’) OR (Kenya) OR (Lesotho) OR (Liberia) OR ((Libya) OR (Libia) OR (Jamahiriya) OR (Jamahiryia)) OR (Madagascar) OR (Malawi) OR (Mali) OR (Mauritania) OR (Mauritius) OR (Morocco) OR ((Mozambique) OR (Moçambique)) OR ((Namibia) OR (‘South West Africa’)) OR (Niger) OR (Nigeria) OR (Reunion) OR (Rwanda) OR (‘Sao Tome’) OR (Senegal) OR (Seychelles) OR (‘Sierra Leone’) OR (Somalia) OR (‘South Africa’) OR (‘St Helena’) OR (‘South Sudan’) OR (Sudan) OR (Swaziland) OR (Tanzania) OR (Togo) OR (Tunisia) OR (Uganda) OR (‘Western Sahara’) OR (Zambia) OR (Zimbabwe OR Rhodesia) OR (South* AND Africa*) OR (West* AND Africa*) OR (East* AND Africa*) OR (North* AND Africa*) OR (Central* AND Africa*) OR (Sub-Saharan Africa*) OR (Subsaharan Africa*) OR (Africa*) NOT ((Guinea Pig*) OR ((Aspergillus Niger) OR ‘Aspergillus Niger’)) |
| #10 | #8 OR #9 |
| #11 | #7 AND #10 |