Get ERVISS data URL — get_erviss

Builds the URL to download ERVISS data, either the latest batch or a specific snapshot.

Usage

get_erviss_url(type = ERVISS_TYPES, use_snapshot = FALSE, snapshot_date = NULL)

Arguments

type: Type of data. One of: "positivity", "variants", "ili_ari_rates", "sari_rates", "sari_positivity", "nonsentinel_severity", "nonsentinel_tests".
use_snapshot: Logical. If TRUE, returns a snapshot URL; if FALSE (default), returns the URL for the latest data.
snapshot_date: Date of the snapshot to retrieve (required if use_snapshot = TRUE). Must be a Date object.

Value

A character string containing the URL

Examples

# Get latest positivity data URL
get_erviss_url("positivity")
#> [1] "https://raw.githubusercontent.com/EU-ECDC/Respiratory_viruses_weekly_data/refs/heads/main/data/sentinelTestsDetectionsPositivity.csv"

# Get latest variants data URL
get_erviss_url("variants")
#> [1] "https://raw.githubusercontent.com/EU-ECDC/Respiratory_viruses_weekly_data/refs/heads/main/data/variants.csv"

# Get latest ILI/ARI rates data URL
get_erviss_url("ili_ari_rates")
#> [1] "https://raw.githubusercontent.com/EU-ECDC/Respiratory_viruses_weekly_data/refs/heads/main/data/ILIARIRates.csv"

# Get snapshot URL
get_erviss_url("variants", use_snapshot = TRUE, snapshot_date = as.Date("2023-11-24"))
#> [1] "https://raw.githubusercontent.com/EU-ECDC/Respiratory_viruses_weekly_data/refs/heads/main/data/snapshots/2023-11-24_variants.csv"